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

S = (a+b+c)÷ 2 (35+54+61)÷2 =150÷2= 75 cm. : Area of triangle =√ s (s-a)(s-b)(s-c) =√75(75-35)(75-54)(75-61) =√74×40×21×14 = 420√5 cm^2 Altitude on AB = (2+ area) ÷ AB 2 × 420 √5 ÷ 35. = 24√5 cm Similarly , altitude on AC =. 2 × 420√5 ÷ 54 = 15.55√5 cm Length of longest altitude will be perpendicular on smallest side of the triangle from oppodite vertex ANS: 24√5 cm

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Simplify:-:-:-:-:-???? (x)^÷(y)^ Ifx=y^2

Posted by Arpita Sharma 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sakshi Kumari 6 years, 5 months ago

x ÷ y If x= y^2 then, replacing the value if x by y^2 y^2 ÷ y ANS : y

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How to represent √2 on number line

Posted by Deepak Verma 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sakshi Kumari 6 years, 5 months ago

Draw a line of OA of 1 unit Draw AB perpendicular on line OA of 1 unit Then using pythagoras theore, We draw a line OB = √(1^2)+ (1^2) = √1 +1 = √2 By using compass, wuth centre O and radius OB, draw an which intersects the number line at the point Q. Then Q corresponds to √2

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How to represent√2on number line

Posted by Manohar Goswami 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

whats the formula of a square + b square?

Posted by Shailesh Kumar 6 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Varun Varunarora 6 years, 5 months ago

(a+b)²+2ab

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Satyam Pandey 6 years, 5 months ago

(a+b)²+2ab

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Find the area of triangle whose side is 35,45,50

Posted by Babita Choudhary 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Ayush Yadav 6 years, 5 months ago

1000

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1000+10000-10000

Posted by Ayushman Sharma 6 years, 5 months ago

CBSE > Class 09 > Mathematics

8 answers

Ayushman Sharma 6 years, 5 months ago

I am just checking this app

0Thank You

Ayushman Sharma 6 years, 5 months ago

Thanks to all but i know this

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Varun Varunarora 6 years, 5 months ago

1000

1Thank You

Hemant Sen 6 years, 5 months ago

10000

1Thank You

Arpita Sharma 6 years, 5 months ago

Oh bro...its 1000 only

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Ggeorge Joseph 6 years, 5 months ago

1000

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Shourya Utkarsh 6 years, 5 months ago

So simple answer is 1000

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Harsh Jain 6 years, 5 months ago

Simple bro 1000

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What is Axioms?

Posted by Subrahmanyam Usm 6 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Dr Nandlal Prasad 6 years, 5 months ago

True statement that not require to prove it is known as Axiom. For example, object is bigger to its part. etc

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Shubham Raj Singh 6 years, 5 months ago

Self evident and true statement which did not need any provence and not specifically related to geometry. Just like-5 bigger than 2 etc.

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The polynomial ax^3-3x+4 and 2x^3-5x+9 when divided by (x-2) leaves the remainder p and q respectively.if p-2q=4, find the value of a

Posted by Arish Rajput 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Divija Bansal 6 years, 5 months ago

there's a mistake in the question. recheck and upload again

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In fig 6.13 lines AB AND CD intersect at o .

Posted by Ishu Sharma 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Divija Bansal 6 years, 5 months ago

provide the complete question

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ANSWER

root 3 X + y whole cube

Posted by Divyani Daware 6 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Divyani Daware 6 years, 5 months ago

(√3x+y)(√3x+y)(√3x+y)

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Divija Bansal 6 years, 5 months ago

your question isn't clear

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Find the degree of polynomial 15

Posted by Majid Mughal 6 years, 5 months ago

CBSE > Class 09 > Mathematics

3 answers

Shourya Utkarsh 6 years, 5 months ago

We can write 15 as 15x raised to the power 0. So power of this polynomial is 0 Ans is 0

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Shourya Utkarsh 6 years, 5 months ago

Your answer is wrong

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Manasvi Sood 6 years, 5 months ago

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100 formulaes

Posted by Charu Gautam 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Divide x^3-4x^2+5x+3 by x-2

Posted by Hitarth Hindocha 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If a+b+c=15 and ab+bc+ca=60 than find the value of a²+b²+c²

Posted by Akarshak Raj 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Root √7,√11,√13 on number line

Posted by Ajay Mali 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Root of √7

Posted by Ajay Mali 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Kishan Patel 6 years, 5 months ago

Root of(√7) =1.62657656

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An iron pipe 20 cm long has exteriordiameter epual to 25cm . If the thickness of pipe is 1cm find the whole surface of the pipe

Posted by Nirmal Nirmal Jarhad 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find remainder when x³+3x²+3x+1 is divided by x+1

Posted by Kayasthavikash Srivastav 6 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Satyam Jha 6 years, 5 months ago

Bro very important question answer is zero?

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Anish Kendre 6 years, 5 months ago

Answer =0

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How to make root 15

Posted by Simran Simran 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If x+1/x=7 find x^3+1/x^3

Posted by Pathri Nath 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

322

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Evaluate after rationalizing the denominator of 25/√ 40 + √ 80 .It is being given that √5=2.236 and √10=3.162

Posted by Stephy Singh 6 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2.5 in number line

Posted by Hir Hir 6 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

We know that 2.5 is more than two but less than three. There are 5- tenths in it. Divide the unit length between 2 and 3 into 10 equal parts and take 5 parts as shown below :