CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

The Statement of the Euclid's fifth Postulate is "If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than two right angles, then the two straight lines, if produced indefinitely, meet on that side on which the sum of the angles is less than the two right angles."

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Shikha Singh 2 years, 2 months ago

Aal right angles are equal to one another

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Shikha Singh 2 years, 2 months ago

A circle can be drawn with any centre and any radius

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Shikha Singh 2 years, 2 months ago

A terminated line can be produced indefinitely

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Shikha Singh 2 years, 2 months ago

A straight line may be drawn from any one point to any other point

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Rajeev a milk man,

Posted by Chandra ... 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shubham Kumar Gupta 2 years, 1 month ago

So, what ????

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Find the value of 2 degree + 7 degree upon 5 degree

Posted by Mahima Mahore 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Mahima Mahore 2 years, 2 months ago

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4x^+4bx-(a^-b^)

Posted by Ankit Kumar 2 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Value of (√9-√7)(√9+√7)

Posted by Sanju Karmakar 2 years, 2 months ago

CBSE > Class 09 > Mathematics

4 answers

Shubham Kumar Gupta 2 years, 1 month ago

Find the value of (√9 - √7) (√9 + √7). (√9 - √7) (√9 + √7) = (√9)² - (√7)² = 9 - 7 = 2.

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Ayush Yadav 2 years, 2 months ago

(√9-√7)(√9+√7) = (√9)² - (√7)² = 9-7 = 2

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Shikha Singh 2 years, 2 months ago

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Priyanshu Raj 2 years, 2 months ago

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Axiom 7.1 (SAS congruence rule )

Posted by Kanishka Dahiya 2 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Kanishka Dahiya 2 years, 2 months ago

Please I ask next question you will answer that

2Thank You

Vineet Yadav 2 years, 2 months ago

Two triangles are congruent if two sides and the included angle of one triangle are equal to the two sides and the included angle of the other triangle

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Expand: (-2a+5b+bc)²

Posted by Dhruv Yadav 2 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Prachi Singhal 2 years, 2 months ago

using the identity (a+b+c)^2

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Mishti Mehta 2 years, 2 months ago

4a^2+25b^2+b^2c^2-20ab+10b^2c-4bca

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𝐈𝐧 𝐓𝐫𝐢𝐚𝐧𝐠𝐥𝐞 𝐀𝐁𝐂 , 𝐀𝐁𝐃 = 𝐀𝐂𝐃 , 𝐰𝐡𝐚𝐭 𝐢𝐬 𝐜𝐨𝐧𝐠𝐫𝐮𝐞𝐧𝐭 ?

Posted by Hitesh Babyian 2 years, 2 months ago

CBSE > Class 09 > Mathematics

3 answers

Shubham Kumar Gupta 2 years, 1 month ago

In triangle ABC, ∆ABD ≅ ∆ACD - ∠ABD = ∠ACD ; ∠BDA = ∠CDA ; ∠BAD = ∠CAD ; AB = AC ; BD = CD ; AD = AD .

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Sushant Thakur 2 years, 2 months ago

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Hitesh Babyian 2 years, 2 months ago

𝐀𝐁 = 𝐀𝐕

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1+2-5

Posted by Rohit Kasana Gurjar 2 years, 2 months ago

CBSE > Class 09 > Mathematics

5 answers

Mishti Mehta 2 years, 2 months ago

-2

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Vineet Yadav 2 years, 2 months ago

-2

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Shubham Kumar 2 years, 2 months ago

1+2-5 3-5 -2

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Harsh Vardhan 2 years, 2 months ago

-2

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Rohit Kasana Gurjar 2 years, 2 months ago

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Is tanx=-15 possible?

Posted by Julian Lall 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Harsh Vardhan 2 years, 2 months ago

Yes

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In fig6.29 if AB//CD//EF and y:z 3:7 find x

Posted by Shashank Sharma 9Th F Sharna 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Kanishka Dahiya 2 years, 2 months ago

Answer: y:z =3:7 let y=3a z=7a y+z=180° (linear pair of angles). 3a+7a=180° 10a=180° a=18° let ,y=3×18°=54° x+y=180°. ( Linear pair of angles). x+54°=180° x=180°-54° x=156°

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Posted by Atharva Jangam 2 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Divide xcube +1 by x+1

Posted by Shravanthi M 2 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Ridhima Saini 2 years, 2 months ago

x+1 x=-1 Put -1 on the equation x³+1 (-1)³+1 -1+1=0

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Mohammad Bharmal 2 years, 2 months ago

Answer will be zero...... You can clarify by using remainder theorem.

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Bro put one words in book

Posted by Balaji R Viii G - 2 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Kanishka Dahiya 2 years, 2 months ago

Means

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3 root square

Posted by Ayush Kashyap 2 years, 2 months ago

CBSE > Class 09 > Mathematics

4 answers

Dabotri Das 2 years, 2 months ago

√25 = 5 √9 = 3 √4 = 2 √16 = 4

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Sukhmandeep Kaur 2 years, 2 months ago

√25 = 5 √9 = 3 √4 = 2

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Sukhmandeep Kaur 2 years, 2 months ago

√25 = 5 √9 = 3 √4 = 2 √16 = 4

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Sukhmandeep Kaur 2 years, 2 months ago

√25 = 5 √4 = 2 √9 = 3

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ANSWER

Rajan a milkman sells cow milk

Posted by Geeta Malik 2 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is an axioms

Posted by Rajveer Singh 2 years, 2 months ago

CBSE > Class 09 > Mathematics

4 answers

Kanishka Dahiya 2 years, 2 months ago

Axioms and postulates are the assumption which are obvious universal truth.

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Prathvi Raj Porwal Porwal 2 years, 2 months ago

Axiom are universal truth

2Thank You

Tanmay Das 2 years, 2 months ago

Basic rules through which theoram are generated

2Thank You

Tanmay Das 2 years, 2 months ago

Tu maths kyu padh Raha he

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2+2=5 ? Prove it

Posted by Hb Mishra 2 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Vaishnavi Sahu 2 years, 2 months ago

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Shivam Singh 2 years, 2 months ago

(20-20)×(25-25) We can write it as (5×4)-(5×4)and(5×5)-(5×5) By taking "4" as common then 4(5-5)and also take "5" as common then 5(5-5). And we get 4=5.we write 4as2+2 Then. 2+2=5

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3x+4x=180

Posted by Tejaswi Madipalli 2 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Abhishek Gupta 2 years, 2 months ago

3x+4x= 180 = 7x = 180 = x = 180/7 = x = 25.71(approx)

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Tanmay Das 2 years, 2 months ago

3x+4x=180 => 7x=90 => x=90/7 Now put the value of x in place of x: 3×90/7+4×90/7=180 And, solve...

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7 chapter

Posted by Raj Dg 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Kanishka Dahiya 2 years, 2 months ago

Full samjna hai apko

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Please tell of any one knows State and prove Factor Theorem

Posted by Shreya Patel 2 years, 2 months ago

CBSE > Class 09 > Mathematics

3 answers

Prachi Singhal 2 years, 2 months ago

putting the value of x in the given polynomial and if the answer will be zero then the value of x will be the factor/zero of the polynomial otherwise not..

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Joy Dev 2 years, 2 months ago

Ajay lives in

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Shreya Patel 2 years, 2 months ago

I think no one konws

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Glass table top

Posted by Fatima Ahmad 2 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Sachin Tiwari 2 years, 2 months ago

3 X*square - 1 X - 4

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a+b ka hole cube

Posted by Mayank Sinha 2 years, 2 months ago

CBSE > Class 09 > Mathematics

5 answers

Rudraksh Sharma 2 years, 2 months ago

a³+b³+3ab(a+b)

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Shreya Patel 2 years, 2 months ago

a³ + b³ + 3a²b +3ab²

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Shreya Patel 2 years, 2 months ago

a² + b² + 2ab

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Akshara Bhansali 2 years, 2 months ago

a2 + b2+ 2ab

1Thank You

Khanak Prakash 2 years, 2 months ago

(a+b)³= a³+b³+3ab(a+b) Or a³+b³+3a²b+3ab²

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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.

Posted by Devansh Dagar 2 years, 2 months ago

CBSE > Class 09 > Mathematics