Question

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A cylinder has a height of 15 cm and a radius of 8 cm.
What is its volume, to the nearest cubic centimeter?
Be sure to include your calculations in your explanation.

Answer 1

First you need to find the area of the circle (the bottom of the cylinder):

8*8*3.14 = 200.96 cm^2

Then to find the volume of the cylinder, multiply the area of the circle by the height of the cylinder which in this case is 15 cm:

200.96*15= 3,014.4 cm^3

Which can just be rounded to 3,014 cm^3 (nearest whole number)