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Maths-

General

Easy

Question

A Conical tent is to accommodate 77 persons. Each person must have 16 cubic metre of air to breathe. Given the radius of the tent as 7 m. Find the height of the tent and also its C.S.A?

hint Hint:

Volume of the cone is $equals 1 third pi r squared h$

The correct answer is: 7394.64

Explanation:

We have given a Conical tent is to accommodate 77 persons. Each person must have 16 cubic metre of air to breathe.

We have to find the height of the tent and also its C.S.A

Step 1 of 1:
We have given there are 77person . Each person must have 16m³ of air to breath.
So, Total volume require will be
$equals 77 cross times 16 straight m cubed$
$equals 1232 m cubed$
Now,
$1 third pi 7 squared cross times h equals 1232$
$h equals fraction numerator 3696 over denominator 7 pi end fraction$
= 168.06m
Now the CSA will be
CSA = 2πrh
= 2π(7)(168.06)
= 7394.64m²

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