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Pushpa Chauhan 5 years, 2 months ago

area of sector = ?,radius= r, length=l. Arc length= theta/360 *2πr l=theta/180*πr area of sector=theta/360*2πr^ we write as area of sector= theta/2*180*πr*r = (theta /180*πr)*r/2 =l*r/2 ans

Shradha Kumari 5 years, 2 months ago

Iske bdd hi nhi ho raha h Pura find kijiye

Good Day 5 years, 2 months ago

Area of sector = πr^2theta/360°

ANSWER

What there is enormous production of crop depend upon land?

Posted by Mukesh Kumar 5 years, 2 months ago

CBSE > Class 10 > Social Science

1 answers

Tanishq Kr Vishwakarma 5 years, 2 months ago

Punjab or Haryana

ANSWER

What is rayleigh scattering

Posted by ?????? ????? 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

A S 5 years, 2 months ago

When the light is scattered by the particles in a medium (air or anything) without any change in wavelength is called Rayleigh scattering .

ANSWER

60. ABCD is a square P and Q are points on AB and BC respectively such that the area of triangle APD + 5, area of triangle PBQ = 4 and area of triangle QCD=6, all areas in square units. Then the square of the area of the triangle DPQ, is :

Posted by Gregory Binu 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Explain democratic policies adopted by Government of India which made it a successful federation.

Posted by Syed Hakkim 5 years, 2 months ago

CBSE > Class 10 > Social Science

1 answers

A S 5 years, 2 months ago

1.Linguistic states 2. No national language 3. Centre state relation 4. Lists (union list etc) 5. Decentralisation And explain above points

5Thank You

ANSWER

Tan A = 3/4, find the value of 1/sinA + 1/cos A

Posted by Mohd Amzad 5 years, 2 months ago

CBSE > Class 10 > Mathematics

5 answers

Mayank Tiwari 5 years, 2 months ago

Good Day 5 years, 2 months ago

Tan = P/B Where P = 3 and B = 4 For hypotenuse By Pythagoras theorem H×H = P×P + B×B = 3×3 + 4×4 = 9 + 16 = 25 H = 5 1/SinA = CosecA 1/CosA = SecA CosecA = H/P and SecA = H/B CosecA + SecA = 5/3 + 5/4 = 20 +15/12 = 35/12

Ankit Barnwal 5 years, 2 months ago

25/12

Mohd Amzad 5 years, 2 months ago

Can you explain the answer

Naveen Babu 5 years, 2 months ago

1/3/5+1/4/5

ANSWER

Evaluate:- [¡] Sec41° Sin49°+Cos49° Cosec41°2/root 3(tan20° tan60° tan70°)

Posted by Gurpreet Kaur 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Anuj Mishra 5 years, 1 month ago

2+root3 /root 3

Shradha Kumari 5 years, 2 months ago

sec 41°sin(90-41°)+cos 49°cosec (90°-49°)×2/root 3 (tan(90°-70)tan60 tan70 sec41°cos41°+cos49°sec49°×2/root 3 (cot70×tan70×tan60) 1+1×2/root 3 (1×root3) 2×2=4....ans...

ANSWER

How does the creation of variation in a species promote survival ?

Posted by Varsha Pal 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Ritu Singh 5 years, 2 months ago

Creation of variation in species because during various environmental changes it leads to survival of species who adopt in that..

Gurpreet Kaur 5 years, 2 months ago

All the variations in the species do not have equal chances of survival in the environment. The survival of the variations depends upon the nature of variation. Different individuals have different chances. Selection of variants by environmental factors forms the basis for evolutionary processes. These variations may lead to increased survival advantages of the individuals due to positive adoption of traits or may merely contribute to the genetic drift.

ANSWER

Optical medium

Posted by Choppari Sharanya Choppari 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Sneha Kumari 5 years, 1 month ago

Optical medium is substance that is generally used to study light realted topics...........

Ankita Chaubey 5 years, 2 months ago

An optical medium is material which electromagnetic waves propagate.

ANSWER

3x+4y=10 and 2x-2y=2

Posted by Sushmitha Sushmi 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Good Day 5 years, 2 months ago

3x + 4y = 10 2x - 2y = 2 OR x - y = 1 Multiply by 3 in equation 2 x - y = 1 × 3 3x - 3y = 3 Using Elimination method 3x + 4y = 10 3x - 3y = 3 7y = 7 y = 1 Putting the value of y in equation 1 3x + 4y = 10 3x + 4 = 10 3x = 10 - 4 3x = 6 x = 2

Sushmitha Sushmi 5 years, 2 months ago

X=9/13,y=-5/13

ANSWER

What is the ph value of nitrogen

Posted by Ayushi Jha 5 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Ishika Kumari 5 years, 1 month ago

3.6 to 7.2

Ayushi Jha 5 years, 1 month ago

Tqq for ur answer

Ankita Chaubey 5 years, 2 months ago

Less than 7

ANSWER

Write a note on Unification process of Germany

Posted by Asvitha Karthikeyan 5 years, 2 months ago

CBSE > Class 10 > Social Science

1 answers

Ankit Barnwal 5 years, 2 months ago

1.It was started in 1848.

ANSWER

Write a paragraph on stress or van mahotsav.

Posted by Tanu Kumari 5 years, 2 months ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

9sec square A-9tan square A =

Posted by Kuruma Nagasuri 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Labdhi Sharma 5 years, 2 months ago

-9(sec2 A- tan2 A) -9(-1) =9

ANSWER

9sec square A -9tan square A =

Posted by Kuruma Nagasuri 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Pushpa Chauhan 5 years, 2 months ago

9(sec square A - tan square A )=1,sec ^2-tan^2=9.

ANSWER

what is the role of sunlight in the photochemical decomposition reaction

Posted by Arun Kumar 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Syed Abdullah 5 years, 2 months ago

Photo Decomposition occurs with the presence of Light Energy(here in this given situation Sunlight). Ex:- 2AgCl---->(sunlight) 2Ag+ Cl2

ANSWER

Man dwara vikari ko bhojan Diya Gaya pravachan mein parivartan kijiye

Posted by Sakila Bibi 5 years, 2 months ago

CBSE > Class 10 > हिंदी ए

0 answers

ANSWER

Explain the four forms of power sharing with example

Posted by Palak Sharma 5 years, 2 months ago

CBSE > Class 10 > Social Science

0 answers

ANSWER

Beams of light are incident through the holes C and D respectively as shown in the figure. Which of the following could be inside the box? (a) A rectangular glass slab (b) Convex lens (c) Concave lens (d) Prism Ans. (a) A rectangular glass slab

Posted by Kakul Jain 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Pranav Chaudhary 5 years, 2 months ago

Since lateral displacement is taking place in the parallel rays, a rectangular glass slab could be inside the box. Lateral displacement is the distance by which the incident light has been displaced after bending through the glass slab.

ANSWER

आप अपने विद्यालय के खेल क्लब के सचिव इमरान है अंतर विद्यालय फुटबॉल प्रतियोगिता में भाग लेने की अनुमति प्राप्त करने हेतु विद्यालय के प्रधानाचार्य को पत्र लिखिएl

Posted by Pranav Chaudhary 5 years, 2 months ago

CBSE > Class 10 > हिंदी ए

0 answers

ANSWER

Why potato chips manufacturers fill the packet of chips with nitrogen gas?

Posted by Yutee Dhakate 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Ishika Kumari 5 years, 1 month ago

It is for preventing the food from being rancid or prevent it from coming in contact of oxygen

Khushi 5 years, 2 months ago

To prevent rancidity.

Pranav Chaudhary 5 years, 2 months ago

Thus, if the food is packed with nitrogen, it ensures an oxygen free environment which in turn allows the food materials to be stored longer.

Gurpreet Kaur 5 years, 2 months ago

Chips packets are filled with nitrogen because it is an inert gas, which prevents the oxidation of oils present in chips.

ANSWER

The number of zeroes is 3. Why

Posted by Dinesh Kumar 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Diya Jain 5 years, 2 months ago

Can you please complete your question first

5Thank You

ANSWER

Longest national highway name

Posted by Aditi Chauhan 5 years, 2 months ago

CBSE > Class 10 > Social Science

3 answers

Alpana Kumari 5 years, 2 months ago

National Highway-7 is the longest national highway between Varanasi and kanniyakumari

Tanishq Kr Vishwakarma 5 years, 2 months ago

Nh 44 Varanasi to kanyakumari

Khushi 5 years, 2 months ago

NATIONAL HIGHWAY 44

ANSWER

What is comeputer

Posted by Raja Tantubai 5 years, 2 months ago

CBSE > Class 10 > Information Technology (402)

2 answers

Ankita Singla 5 years, 2 months ago

Computer is an electronic machine which is used for different purposes which makes human work easy

Kakul Jain 5 years, 2 months ago

Computer is an electronic machine which is used for different purposes which makes human work easy

ANSWER

How is the system of check and balance maintained among the different organ of the government

Posted by Palak Sharma 5 years, 2 months ago

CBSE > Class 10 > Social Science

1 answers

A S 5 years, 2 months ago

Legislature make laws and executive execute the laws and checks whether the laws or policies are appropriate or not . Then judiciary interpret the constitution and checks whether the laws or policies introduced are helpful for citizens or not . Due to checking the system is balanced .

ANSWER

If Lambda v And lamda r are wavelegth of light violet and red then

Posted by Yt Fut 5 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

List the important products of the chlor alkali process . Write one important use of each.

Posted by Khushi 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Pranav Chaudhary 5 years, 2 months ago

There are three products that are produced in the Chlor-alkali process, which are Sodium Hydroxide(NaOH), chlorine gas (Cl2) and hydrogen gas(H2). Uses of sodium hydroxide: 1. It is used in the manufacturing of paper.