eliriv206 eliriv206

22-03-2017
Mathematics

contestada

Find the radius of the cylinder with height 6 cm with volume 54 cubic cm

Respuesta :

sillybaka123 sillybaka123

22-03-2017

the formula for volume of a cylinder is pi*r^2*h

So reversing that,

Volume/height/pi =

54/6/3.14 = 2.86624203822 or 2.9

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22-03-2017

V = pi r^2 h
54 = 3.14 * r^2 * 6
54 = 18.84 r^2
Divide both sides by 18.84
r^2 = 2.866
Square root both sides
r = 1.7

Answer Link

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