+0

0
127
1

Sep 7, 2018

#1
+5074
0

in general the formula for the volume of a cylinder is

$$V = \pi r^2 h$$

looking at #1 we have $$V = \pi (12^2) (8) \approx 3619.115$$

Looking at #2 $$V = \pi (7.5^2)(4) = 706.858$$

You got the 3rd one correct because they gave you the radius, not the diameter, in the diagram.

Sep 8, 2018