Math, asked by omg1411, 1 year ago

the curved surface area of a right circular of height 21 cm is 957 cm 2. find the diameter of the base of the cylinder (in cm )

Answers

Answered by kashyap20031

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RishabhBansal: can you pls explain how 7.25*2 is 15

RishabhBansal: see my answer

RishabhBansal: no problem

RishabhBansal: it's alright

omg1411: ok

omg1411: thanks

Answered by RishabhBansal

Hello Bro,

Here is your Answer ⤵️

Given, for right circular cylinder
h = 21cm
CSA = 957 cm²
d = ?

=> we know CSA = 2πrh

Thus 2*22/7*r*21 = 957 cm²

=>2*22*3*r = 957

=> r = 957/44*3

=> r = 957/132

=> r = 7.25 cm

=> d = 2r

=> d = 2(7.25)

=> d = 14.5 cm

Here is your answer

Hope it helps

RishabhBansal: welcome bro but shouldn't i deserve brainliest

omg1411: yes

RishabhBansal: well that's your choice whether you want to give a correct answer brainliest or wrong answer brainliest

omg1411: yes

omg1411: thanks to answer dada

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omg1411: ok

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