Glencoe Math: Course 3, Volume 2
GM
Glencoe Math: Course 3, Volume 2 View details
1. Volume of Cylinders
Continue to next subchapter

Exercise 2 Page 593

Recall the formula for the volume of a cylinder, V = π r^2 h.

About 103.4 m^3

Practice makes perfect

A cylinder has the diameter 4.5m and the height of 6.5 m. Let's start by drawing it.

The volume of a cylinder with the radius r and height h can be calculated by the following formula. V=Ï€ r^2 h To find the radius we can divide the diameter d by 2.

r = d/2
r = 4.5/2
r = 2.25

Now, we can substitute them into the formula and calculate V.

V=Ï€ r^2 h
V=Ï€ ( 2.25)^2 ( 6.5)
â–¼
Simplify right-hand side
V=Ï€( 5.0625)( 6.5)
V= π (32.90625)
V=103.378033...
V≈ 103.4

The volume of the given cylinder is about 103.4 m^3.