The volume of a cylinder (think about the volume of a can) is given by V = πr2h where r is the radius of the?

Question

the cylinder and h is the height of the cylinder. Suppose the volume of the can is 121 cubic centimeters. What is the measurement of the height if the radius of the cylinder is 3 centimeters? Please show work.

Answer 1

121 = (pi)r2h r=3
121 = (pi)6h
121/6 = (pi)h
20.167/(pi) = h

h = 6.42 appoximately.

Answer 2

V = 121 = pi(3^2)h

h= 121 / (( pi) (9)) you crunch the numbers. answer is in centimeters.

Answer 3

given:
V = 121
r = 3
π = 3.14

V = πr^2 h
121 = π (3)^2 h
121 = π 9 h
h = 121 / (9π)
h ≈ 4.28 Centimeters

So The Height is about 4.28 Cm.

Answer 4

V = 121
r = 3
(pi)

just put these into your formula

V = (pi) x r x 2 x h
121 = (pi) x 3 x 2 x h
121 = (pi) x 6 x h
121 = 6(pi) x h
121 / 6(pi) = h

sorry not got my calculator on me at the min.

Answer 5

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Answer 6

This sounds like a mathematical homework question. You should be doing this on your own. I refuse to do your homework for you!

Answer 7

r = sqrt(V / πh ) h = V / πr2 h = 121 cm3 / (3 cm)(3cm)(π) h = 4.28 cm

Answer 8

121cm^3 = pi * (3cm)^2 * h
121cm^3 / 9cm^2 = pi * h

h = 121cm^3/(9cm^2 * pi) = 4.28...cm

Answer 9

well,V=3.14*r^2*h
so,
121=3.14*9*h
h=121/28.26
h=4.28 cm

Answer 10

purdue and arpit are correct