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ABCD is a rectangle and DEC is equilateral triangle .find the area of ∆ DEC .

Posted by Akhilesh Pesundiya 2 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Tashree Shakil 2 years, 4 months ago

In the figure r o s stands on a line poq,ray OR and OT are angle bisector of angle POS and angle so q respectively if angle POS is equal to X find a ROT

Nancy Pandya 2 years, 4 months ago

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ANSWER

Aob is a straight line find the value of x

Posted by Ayan Malik 2 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Sushma Dabas 2 years, 4 months ago

Send the figure

ANSWER

If the area of an equilateral triangle is 8 root 3 same square find its height

Posted by Suryansh Pal Pal 2 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Kunal Singh Rajput 2 years, 4 months ago

4

Yash Raj Singh Bhriguvanshi 2 years, 4 months ago

⁴

Saket Kashyap 2 years, 4 months ago

4

ANSWER

In the fig <AOC and <BOC forms a linear pair if a-2b=30 find a and b

Posted by Niranjan R 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

27^-2/3

Posted by Isha Soy 2 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Harshita Ahlawat 2 years, 4 months ago

27^-2/3 =(3^3)^-2/3 =(3) ^3*-2/3 =3^-2 = -9

Saket Kashyap 2 years, 4 months ago

1/387420489

ANSWER

Name the quadrant in which the point lies:(1) A(1,1)(2)(-2,-4)(3)C(1,-2)

Posted by Abhishek .L 7 Th A 2 years, 4 months ago

CBSE > Class 09 > Mathematics

4 answers

Samruddhi Parik 2 years, 3 months ago

A 1st quadrant,B 3rd quadrant, C 4th quadrant

Asmita Mishra 2 years, 4 months ago

A 1 quadrant , B 3 quadrant C 4 quadrant

Sushma Dabas 2 years, 4 months ago

A 1st quadrant,B 3rd quadrant,C 4th quadrant

Sikha Kumari 2 years, 4 months ago

A =1Quadrant, B=3 quadrant C=4Quadrant

ANSWER

2 root to

Posted by Geetha Sagar 2 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Samruddhi Parik 2 years, 3 months ago

1.414

Amaan Khan 2 years, 4 months ago

What's your question

ANSWER

(a+b)^3+(a-b)^3+6a(a^2-b^2)

Posted by Anurag Singh 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value of k if x minus 1 is a factor of P of X in each of the following cases P of X = kx² - √2x + 1

Posted by Srilakshmi Rao 2 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Dinesh Jadon 2 years, 4 months ago

1√2

ANSWER

Use factor theorem to determine whether GF X is a factor of P of X in each of the following cases fee of X equals to x cube + 3 X square + 3 X + 1 G of x = X + 2

Posted by Srilakshmi Rao 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Use use the factor theorem to determine whether gfx is a factor of PF fix in each of the following cases P of X equals to x cube + 3 X square + 3 X + 1 the of x = x + 2

Posted by Srilakshmi Rao 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Two friends kumkum and priya are making investment in a business. The inmade by kumkum is given by a polynomial x^2-3

Posted by Diya Shetty 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If 3x+2=12and xy=6,find the value of 9x^2+4y^2

Posted by Prince Yadav 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Prove that angles opposite the equal sides of an isosceles triangle are equal

Posted by Aditi Singh 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the area of a triangle whose two side are 18 cm and 12 cm and the perimeter is 50cm

Posted by Ganesh Das 2 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Babu Singh 2 years, 4 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
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ANSWER

If we add 1 to the numerator and separate 1 from the denominator, a fraction reduces to 1 . Form a linear equation for this information.

Posted by Priya Tiwari 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

𝙄𝙣 𝙛𝙞𝙜. 6.16 𝙞𝙛 𝙭+𝙮=𝙬+𝙯, 𝙩𝙝𝙚𝙣 𝙥𝙧𝙤𝙫𝙚 𝙩𝙝𝙖𝙩 𝘼𝙊𝘽 𝙞𝙨 𝙖 𝙡𝙞𝙣𝙚

Posted by Preeti Kumari 2 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Munazzama Dheriwala 2 years, 4 months ago

Given=x+y=w+z PROVE- AOB is a line x+y+w+z=360° z+w+z+w=360° 2w+2z=360° 2(z+w)=360° w+z=360÷2 w+z=180° HENCE PROVE

Noyan Sonowal 2 years, 4 months ago

Factorise 9x+6xy+y

Preeti Kumari 2 years, 4 months ago

𝙏𝙝𝙞𝙨 𝙦𝙪𝙚𝙨𝙩𝙞𝙤𝙣 𝙞𝙨 𝙘𝙡𝙖𝙨𝙨 9 𝙗𝙤𝙤𝙠 𝙉𝘾𝙀𝙍𝙏 𝙘𝙝𝙖𝙥𝙩𝙚𝙧 𝙡𝙞𝙣𝙚𝙨 𝙖𝙣𝙙 𝙖𝙣𝙜𝙡𝙚𝙨 𝙦𝙪𝙚𝙨𝙩𝙞𝙤𝙣 𝙣𝙤. 4

ANSWER

A, B, C and D are four points on a circle AC and BD intersect at point E such that angle BEC=130 and angle ECD=20 Find angle BAC

Posted by Mohd Ayan 2 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Kunal Singh Rajput 2 years, 4 months ago

574795

Ritesh Yadav 2 years, 4 months ago

575025

Preeti Kumari 2 years, 4 months ago

𝙄 𝙖𝙢 𝙣𝙤𝙩 𝙪𝙣𝙙𝙚𝙧𝙨𝙩𝙖𝙣𝙙 𝙩𝙝𝙞𝙨 𝙦𝙪𝙚𝙨𝙩𝙞𝙤𝙣

ANSWER

sqrt(3 ^ 2 * sqrt(9 ^ 2 * sqrt(81 ^ 2 * sqrt(16 ^ 16))))

Posted by Mannat Setia 2 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Garvit Varshney 2 years, 4 months ago

Question Google or daal do

ANSWER

If a+b=10 and ab=16 find the value of a²-ab+b²

Posted by Yug Agnihotri 2 years, 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Garvit Varshney 2 years, 4 months ago

52

Mannat Setia 2 years, 4 months ago

52

Pristi Bansal 2 years, 4 months ago

I think 82 is the correct answer

Md Taneem Farhad 2 years, 4 months ago

a+b=10 and ab=16 ⇨(a+b)^2= 100 ⇨a^2+2ab+b^2=100------(i) ⇨ab=16 ⇨-3ab=(-48)---(ii) ⇨a^2+2ab+b^2=100 ⇨a^2+2ab+b^2-3ab=100-48 ⇨a^2-ab+b^2=52 .... ----------ANOTHER ------------ ⇨a+b=10 ⇨(a+b)^3=1000 ⇨a^3+b^3+3ab(a+b)=1000 ⇨a^3+b^3+3×16×10=1000 ⇨(a+b)(a^2-ab+b^2)=1000-480 ⇨10×(a^2-ab+b^2)=520 ⇨a^2-ab+b^2=520/10=52

Lovely Kumari 2 years, 4 months ago

6 ans

ANSWER

Find the value of k, if x–1 is a factor of p(x) in each of the following cases. (i). 12x²–7x+1 (ii). 2x²+7x+3 (iii). 6x²+5x–6 (iv). 3x²–x–4

Posted by Kashish Gupta 2 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Samruddhi Parik 2 years, 3 months ago

(i). 6 , (ii). 12 , (iii). 5 , (iv). -2

Garvit Varshney 2 years, 4 months ago

Ans 1.: 6 Ans 2.: 12 Ans 3.: -4

Fatima Fatima Rahman 2 years, 4 months ago

1ans 4

ANSWER

Lines ab and CD intersect 80 angle AOC + angle BOE equal to 70 degree and angle BOD equal to 40 degree find angle BOE and reflex angle c o e

Posted by Kunal Jeena 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In the adjoining figure bisector of angle b and angle c of an isosceles triangle ABC with ab is equal to ac intersect each other at o show that external angle is adjacent to angle ABC is equal to angle boc

Posted by Madanlal Madanlal 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Diagonals of a quadrilateral abcd bisect each other if a=45° determine all the angles

Posted by Siddhi Jaiswal 2 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Siddhi Jaiswal 2 years, 4 months ago

No

Rounak Roy 2 years, 4 months ago

2%100

ANSWER

How to find triangle

Posted by Shreyaa Ghorpade 2 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Deepanshu Kumar Singh 2 years, 4 months ago

ABC is a right triangle

Deepanshu Kumar Singh 2 years, 4 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

ANSWER

Maths questions

Posted by Shashank Singh 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Two parallel lines L and M are interested by a transversal P show that the quadrilateral formed by the bisectors of interior angles is a rectangle

Posted by Amitendra Jha 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Contruct an angle of 90degree at the initial point of a given ray and justify construction

Posted by Janvi Sharma 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Express 0.9999 in the form of p/q

Posted by Shivam Bhade 2 years, 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Garvit Varshney 2 years, 4 months ago

1

Sikha Kumari 2 years, 4 months ago

1

Raj Singh Sagar 2 years, 4 months ago

If x=0.999999.....----(1) Multiple by 10 on both side in eq.no.1, we get 10x=9.99999...... Subtract (1) from(2), we get 9x=9.0000000 9x=9, then x=9/9 , then x=1/1

Sachit Singhal 2 years, 4 months ago

0.9999 is equal to 9999/ 1000 and 0.9 bar equals to 1/1

Ambika Sharma 2 years, 4 months ago

9/10

ANSWER

((25) ^ (1/2) * (729) ^ (3/2) * (8) ^ (- 4/3))/((125) ^ (2/3) * (27) ^ (2/3)) + (root(64, 3))/(sqrt(16) * root(125, 3))

Posted by Jash Vaghela 2 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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