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

Given- r:R=2:3 h:H=5:3 To find- ratio of volumes Solution Volume of cylinder1 -------------------------------- volume of cylinde2 Volume - 2×22/7×r×h Atq 2×22/7×2×2×5 ------------------------ 2×22/7×3×3×3 =20/27 Or 20:27

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All formulas used chapter wise

Posted by Manmeet Gulati 8 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Khushi Delio 8 years, 2 months ago

In 1st chapter Rational no.between terms =R+S/2 a^n×a^n=a^n+m a^n/a^m=a^n-m (a^n)^m=a^nm a^n×b^n=(ab)^n (1/a)^n=1^/a^n=a^-n (a/b)^-n=(b/a)^n a^-n=1/a^n

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How many litres of water will a hemispherical bowl of radius 100cm contain and find its Curved surface area

Posted by Suraj Bhan Singh 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is circumcenter ?

Posted by Atul Singh 8 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Vaishnavi Sharma 8 years, 2 months ago

Point at which the perpendicular of 3 sides of triangle intersect

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ANSWER

why the centre of circle is taken as O most of time why not A B C D

Posted by Jóśhęř ---Rôûęńčę 8 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Jóśhęř ---Rôûęńčę 8 years, 1 month ago

YOUR SILLY ANSWER

0Thank You

Vaishnavi Sharma 8 years, 2 months ago

Hehe because o is a shape of a circle but a b c or d is not in a shape of circle . Silly question

1Thank You

ANSWER

Factories x to the 12 -(minus) y to the power 12

Posted by Monika Singh 8 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Anshu Kumar 8 years, 2 months ago

Line and angel

1Thank You

ANSWER

angle YXZ=62,angle XYZ=54.if YO and ZO are the bisectors of angle XYZ and angle XZY respectively of ∆XYX,find angle OZY and angle YOZ.

Posted by Shivansh Raghuwanshi 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

AB and CD are two chords of a circle at o,intersect at point p .prove that ,angle AOD+ angle BOC =2ANGLE YOZ.

Posted by Shivansh Raghuwanshi 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Draw the graph of following equations x=0 y=0 x+y=3 find area encloese between line.

Posted by Purva Rumale 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In a trapezium ABCD if AB//CD then AC^2 + BD^2=?

Posted by Aryan Ojha 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Prove that the median of an equilateral triangle are equal

Posted by Rohan Goyal 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

In a trapezium ABCD if ab//cd then AC^2 + BD^2=?

Posted by Aryan Ojha 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Check whether the polynomial (t+1)is the factor of 4t×4t×4t+4t×4t-t-1

Posted by Parth Khetre 8 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Aryan Poonia 8 years, 2 months ago

Nups!!

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Keshav Tyagi 8 years, 2 months ago

No it is not the factor

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ANSWER

2x×39=2 find x

Posted by Bindu Pramod 8 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Keshav Tyagi 8 years, 2 months ago

1/39

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Jaju Bhullar 8 years, 2 months ago

1/39

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ANSWER

Simplify= 73×73×73+27×27×27÷73×73-73×27+27×27

Posted by Anshika Verma 8 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Aryan Poonia 8 years, 2 months ago

Answer= 100

0Thank You

Bindu Pramod 8 years, 2 months ago

Sorry but i cannot??

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ANSWER

The taxi fare for first km is rs 20 and rs 8 for subsequent km. Write linear equation in two variable to represent statement

Posted by Abc Deg 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

I have a dought in poly

Posted by Kartik Kandpal 8 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X2+kx+6=(x+2)(x+3)

Posted by Divyansh Pant 8 years, 2 months ago

CBSE > Class 09 > Mathematics

37 answers

Ruby Akari 8 years, 2 months ago

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Now talk with me at top

0Thank You

Ruby Akari 8 years, 2 months ago

Hmmm

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Ohhhh

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Ruby Akari 8 years, 2 months ago

I was born here

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Prashant Chaudhary 8 years, 2 months ago

Why you live in Saudi Arabia Ruby

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Ruby Akari 8 years, 2 months ago

Mujhe be?

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Aap se bate karke aacha laga Ruby

1Thank You

Ruby Akari 8 years, 2 months ago

Nahi

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Aap offline ho Gaye ho kya Ruby

0Thank You

Ruby Akari 8 years, 2 months ago

Oh.

0Thank You

Prashant Chaudhary 8 years, 2 months ago

My father is a business man

0Thank You

Ruby Akari 8 years, 2 months ago

0Thank You

Ruby Akari 8 years, 2 months ago

0Thank You

Ruby Akari 8 years, 2 months ago

I told u ryt mechanical engineering he works with cars and ur dad's

0Thank You

Prashant Chaudhary 8 years, 2 months ago

What's your father occupation in Saudi Arabia

1Thank You

Prashant Chaudhary 8 years, 2 months ago

I have only one big brother and no anyone else

0Thank You

Ruby Akari 8 years, 2 months ago

0Thank You

Ruby Akari 8 years, 2 months ago

U have one older bro only nd no one else

0Thank You

Prashant Chaudhary 8 years, 2 months ago

0Thank You

Ruby Akari 8 years, 2 months ago

If u really miss them u can also go nd live with them nd go to school der ryt

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Prashant Chaudhary 8 years, 2 months ago

Ya my big brother live in Kota and preparing for NEET

0Thank You

Prashant Chaudhary 8 years, 2 months ago

In June

0Thank You

Ruby Akari 8 years, 2 months ago

Oh u don't have any bro or sis

0Thank You

Prashant Chaudhary 8 years, 2 months ago

My mother is a teacher

0Thank You

Ruby Akari 8 years, 2 months ago

Don't they come to visit u

0Thank You

Ruby Akari 8 years, 2 months ago

Aapko dar nahi laga nd wat about ur mom

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Class 8

1Thank You

Prashant Chaudhary 8 years, 2 months ago

I really miss my mom and dad ???????

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Ruby Akari 8 years, 2 months ago

Oh? from which class onwards do u live alone

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Prashant Chaudhary 8 years, 2 months ago

My father do business in Punjab and my father said to me i gave you all things but you have to stand with your own feet.So you don't face any problems in future ????

0Thank You

Ruby Akari 8 years, 2 months ago

If u don't want to tell its ok

0Thank You

Ruby Akari 8 years, 2 months ago

Aap offline ho gaye kya

0Thank You

Ruby Akari 8 years, 2 months ago

Why do u live in up and ur parents in punjab

0Thank You

Prashant Chaudhary 8 years, 2 months ago

Haa pucho