The radius and height of a cylinder are in ratio 2:3. Find the radius if the volume is 6468cm³
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Answered by
2
r=2x
h=3x
volume of a cylinder=πr^2 h
=22/7 *2x× 2 x*3x
22/7 * 12x
=264/7
=37.71
r=2 * 37.71=75.42cm
h= 3* 37.71
=113.13cm
h=3x
volume of a cylinder=πr^2 h
=22/7 *2x× 2 x*3x
22/7 * 12x
=264/7
=37.71
r=2 * 37.71=75.42cm
h= 3* 37.71
=113.13cm
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Answered by
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Answer:
Step-by-step explanation:
volume = πr
2
h
=π×(3x)
2
×2x
=18πx
3
8×
7
22
×x
3
=19404
x
3
=343⇒x=7 cm
∴ Radius = 3×7=21cm
height = 2×7=14cm
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