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  • 1 answers

Bhavya Punia 5 years, 3 months ago

Sum of the interior angles of an n-sided polygon = (n−2)×180°n-2×180° (i) For a pentagon: n=5∴ (n−2)×180°=(5−2)×180°=3×180° = 540°n=5∴ n-2×180°=5-2×180°=3×180° = 540° (ii) For a hexagon:  n=6∴ (n−2)×180°=(6−2)×180°=4×180° = 720°n=6∴ n-2×180°=6-2×180°=4×180° = 720° (iii) For a nonagon: n=9∴ (n−2)×180°=(9−2)×180°=7×180° = 1260°n=9∴ n-2×180°=9-2×180°=7×180° = 1260° (iv) For a polygon of 12 sides: n=12∴ (n−2)×180°=(12−2)×180°=10×180° = 1800
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Druv Kotharkar 5 years, 3 months ago

@mayankgupta gallery mein jakar photo select kr ke send kijiye aur my cbse guide ka option click kijiye for apko mil jayega aur ans kijiye

Mayank Gupta 5 years, 3 months ago

I have but I don't know how to send a picture here

Mahak Mehra 5 years, 3 months ago

Yes but I m not at all at my home this time
  • 1 answers

Swathi Sri .S 5 years, 3 months ago

Say ans
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Jitesh Prajapati 5 years, 3 months ago

4000

Gaurav Seth 5 years, 3 months ago

Answer:

Compund Interest will be (b) Rs . 4080

Step-by-step explanation:

When compounded anually,

Total Amount = Principal(1 + Rate/100)^Time period

                       = 50000 (1 + 1/25) ^ 2

                       = 50000 (26/25) (26/25) = 54080

Compound Interest = Total Amount - Principal

                                 = 54080 - 50000 = 4080

  • 2 answers

Mayank Gupta 5 years, 3 months ago

Basically there is no author of this chapter

Adarsh . 5 years, 3 months ago

Me
  • 2 answers

Vikash Kumar 5 years, 3 months ago

The fuels obtain from remains of plants and animal buried under the earth over million s of years.

Yogita Ingle 5 years, 3 months ago

Fossil Fuels

Fossil fuel refers to the deposits of organic materials, formulated from dead plants and animals under several thousand feet of silt. With the passage of time they decayed and have been converted to Petroleum or crude oil, coal, natural gas, on exposure to high heat and pressure deep inside the earth’s crust over millions of years and hence they are also known as non-renewable energy source.

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Yogita Ingle 5 years, 3 months ago

Lencho is the main character of the story “The Letter to God.” He is a poor farmer who is the sole bread-earner of the family. He had faith in God. Lencho lived in a small house which was situated on the crest of a low hill in the valley.  Throughout the morning Lencho sat in his house and waited for the rain to come. He wished for the rain or the shower for his field in which he had grown his crops.  Lencho wrote the letter to God as he thought that he would be the only one to help him in his bad times. He wrote a letter addressing to God to send him 100 pesos so that he and his family can survive in such a difficult situation.  

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Chandrika Sri Pranavi Punati 5 years, 3 months ago

Jim Macpherson was a teacher from Dorset and Hans wolf was a Dusseldorf he played cello at orchestra

Shashank Naugain 5 years, 3 months ago

Jim Macpherson was a
  • 2 answers

Harkanwal Aujla 5 years, 3 months ago

SPEECHES ANSWER

Harkanwal Aujla 5 years, 3 months ago

Speeches of class 8th in English CBSE
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Anna Maria 5 years, 3 months ago

People who have goodness always get goods time
  • 1 answers

Gaurav Seth 5 years, 3 months ago

The Right to Life and Personal Liberty is assured by the Indian Constitution under Article 21.

  • Article 21 provides two rights:
    • Right to life
    • Right to personal liberty
  • The fundamental right provided by Article 21 is one of the most important rights that the Constitution guarantees.
  • The Supreme Court of India has described this right as the ‘heart of fundamental rights’
  • 2 answers

Jitesh Prajapati 5 years, 3 months ago

-4/3

Bhumika Joshi 5 years, 3 months ago

‐4/3
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Srishti Majumder 5 years, 3 months ago

Portuguese explorer Vasco de Gama becomes the first European to reach India via the Atlantic Ocean when he arrives at Calicut on the Malabar Coast. Da Gama sailed from Lisbon, Portugal, in July 1497, rounded the Cape of Good Hope, and anchored at Malindi on the east coast of Africa.

Gayatri Singh 5 years, 3 months ago

1947

Khushi Kumari 5 years, 3 months ago

Vasco Da Gama found the sea route to India in 1498.

Yogita Ingle 5 years, 3 months ago

Vasco da Gama was a Portuguese explorer who reached India by sea on May 17, 1498. His fleet reached Kappakadavu near Calicut in the current Indian state of Kerala.

Mohini Agrawal 5 years, 3 months ago

1497
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Yogita Ingle 5 years, 3 months ago

Police investigations have to be conducted in accordance with law and with full respect for human rights. The police are not allowed to torture or beat or shoot anyone during investigation. They can not inflict any form of punishment of a person even for petty offence. 

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Yogita Ingle 5 years, 3 months ago

Petroleum was formed from dead organisms that got buried in the sea millions of years ago. These dead bodies got covered with layers of sand and clay. Lack of air, high temperature, and high pressure transformed these dead organisms into petroleum and natural gas.

Hinal ... 5 years, 3 months ago

The fossil fuel petroleum is form when a large quantity of dead organims are buried underneath sedimentary rocks and subjected to intense heat and pressure. Petroleum is mostly recovered by oil drilling..........

Akanshi Sharma 5 years, 3 months ago

I want ans
  • 3 answers

Bhavya Punia 5 years, 3 months ago

The microorganisms help to clean the environment by decomposition of dead and decaying organic matter

Yogita Ingle 5 years, 3 months ago

  • Microbes help to keep our environment clean by decomposing dead matter. They decomposed substances are recycled as these get reused from the soil by plants.
  • Some bacteria decompose sewage and other waste in water. This is nature’s method of keeping the environment free from pollution.

Hinal ... 5 years, 3 months ago

The microorganisms decompose dead organic waste of plants and animals converting them into simple substances. These substances are again used by other plants and animals. Thus, Microorganisms can be used to degrade the harmful and smelly substances and thereby cleans up the environment.
  • 1 answers

Gaurav Seth 5 years, 3 months ago

NCERT Solutions for Class 8 English Macavity The Mystery Cat

Class –VIII English
Macavity: The Mystery Cat
Page No: 51

Working with Poem

1: Read the first stanza and think.

(i) Is Macavity a cat really?

(ii) If not, who can Macavity be?

Ans: (i) No, Macavity is not a cat really.

(ii) Macavity is just a fictional character created by the poet whose actions resemble those of a crook’s.

 

Click on the given link for more:

<a href="https://mycbseguide.com/blog/ncert-solutions-class-8-english-macavity-the-mystery-cat/">https://mycbseguide.com/blog/ncert-solutions-class-8-english-macavity-the-mystery-cat/</a>

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Ramkumar Hemanth 5 years, 3 months ago

T6
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Gaurav Seth 5 years, 3 months ago

Article

The Common Man’s Woes During Monsoons -by Smita

Rain, rain go away- Come again another day. This little childhood rhyme was the prevalent mood of most of the people of the major metropolitan cities of India Mumbai, Kolkata and Chennai. The monsoon fury was so extensive that it led to heavy losses of material and also more importantly the loss of human lives. It was unprecedented and unexpected.

There was an extensive loss of life and property. People were stranded in their own homes and could not move out for couple of days. The civic system came to a halt. Phone lines were disconnected and electricity lines were snapped.            

Life came to a standstill in busy commercial capitals like Mumbai, Chennai and Kolkata. People of all strata of life suffered. However, the most affected were the poor people who felt the brunt of it. Most of them are daily wage earners but they could not go to work because of the weather conditions. The children and families went hungry for many days. Rations were not given immediately to the people. The floods brought to light the inadequate civic amenities. It led to an outbreak of diseases. It is high time that the authorities wake up and remedial measures are taken. Prior steps should be taken to repair the roadways, waterways and all sewage systems. The officers should be held more responsible and the poor should be evacuated immediately. Rations and aid must reach them quickly.

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Jogender Panchal 5 years, 3 months ago

What is since
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Deepakshi Dua 5 years, 3 months ago

Some fibres are called synthetic because they are man-made and are formed with the help of chemicals.

Mahak Mehra 5 years, 3 months ago

They called so because they are made by humans in laboratories by combining various chemicals

Kriti Kotiyal 5 years, 3 months ago

Some fibres are called synthetic fibres because they are made by humans in laboratories rather than they are natural.
  • 1 answers

Gaurav Seth 5 years, 3 months ago

वसंत पंचमी सरस्वती पूजा, महाशिवरात्रि व होली जैसे प्रमुख त्योहारों का आगमन इसी ऋतु में होता है।

होली

हमारे देश में होली का उत्सव बड़ी धूमधाम से मनाया जाता है। इस त्यौहार को मनाने मैं प्रत्येक भारतीय अपना गौरव समझता है। एक ओर तो आनंद और हर्ष की वर्षा होती है, दूसरी ओर प्रेम व स्नेह की सरिता उमड़ पड़ती है। यह शुभ पर्व प्रतिवर्ष फाल्गुन मास की पूर्णिमा के सुंदर अवसर की शोभा बढ़ाने आता है ।

होली का त्योहार वसंत ऋतु का संदेशवाहक बनकर आता है। मानव मात्र के साथ-साथ प्रकृति भी अपने रंग-ढंग दिखाने में कोई कमी नहीं रखती। चारों ओर प्रकृति कै रूप और सौंदर्य के दृश्य दृष्टिगत होते हैं। पुष्पवाटिका में पपीहे की तान सुनने से मन-मयूर नृत्य कर उठता है। आम के झुरमुट से कोयल की ‘कुहू-कुहू’ सुनकर तो हदय भी झंकृत हो उठता है। ऋतुराज वसंत का स्वागत बड़ी शान से संपन्न होता है। सब लोग घरों से बाहर जाकर रंग-गुलाल खेलते हैं और आनंद मनाते हैं।

होलिकोत्सव धार्मिक दृष्टि से भी महत्वपूर्ण है। इस उत्सव का आधार हिरण्यकश्यप नामक दानव राजा और उसके ईश्वरभक्त पुत्र प्रल्हाद की कथा है। कहते हैं कि राक्षस राजा बड़ा अत्याचारी था और स्वयं को भगवान मानकर प्रजा से अपनी पूजा करवाता था; किंतु उसी का पुत्र प्रल्हाद ईश्वर का अनन्य भक्त था। हिरण्यकश्यप चाहता था कि मरा पुत्र भी मेरा नाम जपे किंतु वह इसके विपरीत उस ईश्वर का नाम ही जपता था। उसने अपने पुत्र को मरवा डालने के बहुत से यत्न किए, पर असफलता ही मिली। एक बार हिरण्यकश्यप की बहन होलिका ने इस कुकृत्य में अपने भाई का साथ देने का प्रयास किया। उसे किसी देवता से वरदान में एक ऐसा वस्त्र प्राप्त था जिसे ओढ़कर उस आग नहीं लग सकती थी। एक दिन होलिका प्रल्हाद को गोदी में लेकर चिता में बैठ गई। किंतु भगवान की इच्छा कुछ और ही थी, किसी प्रकार वह कपड़ा उड़कर प्रल्हाद पर जा पड़ा। फलत: होलिका तो भस्म हो गई और प्रल्हाद बच गया। बुराई करने वाले की उसका फल मिल गया था। इसी शिक्षा को दोहराने के लिए यह उत्सव मनाया जाता है।

इस दिन खूब रंग खेला जाता है। आपस में नर-नारी, युवा-वृद्ध गुलाल से एक-दूसरे के मुख को लाल करके हँसी-ठट्ठा करते हैं। ग्रामीण लोग नाच-गाकर इस उल्लास- भरे त्योहार को मनाते हैं । कृष्ण-गोपियों की रास-लीला भी होती है। धुलेंडी के बाद संध्या समय नए-नए कपड़े पहनकर लोग अपने मित्रगणों से मिलते हैं. एक-दूसरे को मिठाई आदि खिलाते हैं और अपने स्नेह-संबंधों की पुनर्जीवित करते हैं।

होली के शुभ अवसर पर जैन धर्म के लोग भी आठ दिन तक सिद्धचक्र की पूजा करते हैं, यह ‘अष्टाहिका’ पर्व कहलाता है। ऐसे कामों से इस पर्व की पवित्रता का परिचय मिलता है। कुछ लोग इस शुभ पर्व को भी अपने कुकर्मो से गंदा बना देते हैं। कुछ लोग इस दिन रंग के स्थान पर कीचड़ आदि गंदी वस्तुओं को एक-दूसरे पर फेंकते हैं अथवा पक्के रंगों या तारकोल से एक-दूसरे को पोतते हैं जिसके फलस्वरूप झगड़े भी हो जाते हैं। इसके अतिरिक्त कुछ लोग इस दिन भाँग, मदिरा आदि नशे की वस्तुओं का भी प्रयोग करते हैं जिनके परिणाम कभी भी अच्छे नहीं हो सकते। ऐसे शुभ पर्व को इन बातों से अपवित्र करना मानव धर्म नहीं है।

होलिकोत्सव तो हर प्राणी को स्नेह का पाठ सिखाता है। इस दिन शत्रु भी अपनी शत्रुता भूलकर मित्र बन जाते हैं। इस कारण सब उत्सवों में यदि इसे ‘उत्सवों की रानी’ कहा जाए तो अत्युक्ति न होगी।

The smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.  All organisms are made of smaller parts called organs. Organs are made of still smaller parts. The smallest living part of an organism is a ‘cell’. Cells were first observed in cork by Robert Hooke in 1665. Cells exhibit variety of shapes and sizes. Number of cells also varies from organism to organism. Some cells are big enough to be seen with the unaided eye. Hen’s egg is an example. Some organisms are single-celled, while others contain large number of cells. The single cell of unicellular organisms performs all the basic functions performed by a variety of cells in multi cellular organisms. The cell has three main parts, (i) the cell membrane, (ii) cytoplasm which contains smaller components called organelles, and (iii) the nucleus.   Cell membrane: The basic component of a cell. The cytoplasm and nucleus are enclosed within cell membrane. There is an outer thick layer in cells of plants called cell wall. Cytoplasm: The jelly-like substance present between the cell membrane and the nucleus. Various organelles present in the cytoplasm are: (i) Mitochondria (ii) Plastids (present only in plant cell) (iii) Endoplasmic reticulum (ER) (iv) Ribosome (v) Lysosomes (vi) Vacuole (vii) Golgi body (viii) Centrosome (present only in animal cell).   Nucleus: Nucleus is separated from cytoplasm by a nuclear membrane. It is generally spherical in the centre of the cell. Nuclear membrane: Nucleus is separated from the cytoplasm by a membrane called the nuclear membrane. Nucleolus: Nucleus contains a still smaller round body known as nucleolus. Chromosomes: Nucleus contains thread-like structures called chromosomes. These carry genes and help in inheritance or transfer of character from the parents to the off springs Cells without well organised nucleus, i.e. lacking nuclear membrane, are called prokaryotic cells. Plant cells differ from animal cells in having an additional layer around the cell membrane termed cell wall. Coloured bodies called plastids are found in the plant cells only. Green plastids containing chlorophyll are called chloroplasts. Plant cell has a big central vacuole unlike a number of small vacuoles in animal cells. Size of cells: The size may be as small as a millionths of a metre or may be as large as a few centimetres. Size of the cells has no relation with the size of the body of the animal or plant. It is related to its function.
  • 1 answers

Hinal ... 5 years, 3 months ago

Thanks
  • 2 answers

Sanjay Ram R.V 5 years, 3 months ago

Dbd

'Roshan' 'Sonekar' 5 years, 3 months ago

What is answer
  • 1 answers

Sia ? 4 years, 7 months ago

A polymer is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life.

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