height of a cylinder is double the radius and its volume is 2156m3.find the dimensions of a cylinder
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h = 2r
r = r cm
volume = 2156
π(r)^2×2r = 2156
2r^3=2156×7/22
r^3 = 196×7÷2
r^3=343
r^3=7×7×7
r=7
h=2r=2×7=14
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navneeth9313:
I didn’t understand
bro it is given that height is double of radius so we assume radius = r and height = 2r
then we use formula of volume
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