Question

the curved surface area of cylinder is 880 cm2 and height is 20 cm find the volume of cylinder

Answer 1

Hlo mate :-
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Answer:-

Given: Curved surface area(S) = 880 cm2

height (h) =20 cm

Volume of the base of the cylinder = Pie × r^2 × h

:- S = 880 cm^2

:- 2pie× r × h = 880 cm^2

:- r = (880)/2pie × h

=> r = 7 cm

=> Volume of circle = pie × r^2 × h

= 3080 cm ^3 ans

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Answer 2

HEY MATE HERE IS YOUR ANSWER

$\rule {135} {2}$

Curved surface area of cylinder =

$\huge = > 2\pi rh = 880 \: c {m}^{2}$


$\bold {Height (h) = 20cm}$

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Step 1 :- To find radius

We know that,

C. S. A of cylinder is 2 pie r h

Therefore,

$\huge = > 880 = 2 \times \frac{22}{7} \times r \times 20$

$\huge = > r = \frac{880 \times 7}{22 \times 20 \times 2} = 7 \: cm$

$\huge = > r = 7cm$
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Step 2. Find volume

Volume of cylinder = pie r^2 h

$\huge = > \frac{22}{7} \times 7 \times 7 \times 20 = 3080 \: c {m}^{3}$
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Therefore, The radius of cylinder is 7 cm and volume of cylinder is 3080 cm ^3.

$\rule {135} {2}$

$\rule {135} {2}$

$\rule {135} {2}$

Hope it will help you

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