Question

If the volume of a right circular cylinder of radius 7cm and height is 14 times the volume of a cube of side 11 cm then height equals?​

Answer 1

Answer:

Given h=7 cm , r= 2 cm  

Volume = πr  

2

h=  

7

22

​

×2cm×2cm×7cm=88cm  

3

Step-by-step explanation:

Answer 2

Answer:

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Step-by-step explanation:

$we \: kow \: that \: \\ volume \: of \: cylinder = \pi \: rsquareh$

$also \: volume \: ofcube = (side) \: cube$

$so \: here \: radius \: of \: cylinder(r) = 7 \: cm$

$also \: side \: of \: cube = 11 \: cm$

$so \: according \: to \: given \: condition \\ \pi \: rsquare \: h = 14side \: cube$

so thus then substituting given values in above equation

we get

pi×7×7×h=14×(11) cube

substitute pi=22/7

so 22/7×7×7×h=14×11×11×11

ie 22×7×h=141×121×11

ie 154h=154×121

ie h=121 cm

hence height of right circular cylinder is 121 cm