### Home > CCG > Chapter 9 > Lesson 9.1.3 > Problem9-40

9-40.

A cork in the shape of a cylinder has a radius of $2$ cm, a height of $5$ cm, and weighs $2.5$ grams.

1. What is the volume of the cork?

$\text{Volume}=(\text{area of the base})(\text{height})$
$\text{Volume}=(\pi r^2)(\text{height})$

2. What is the cork’s density in grams per cubic centimeter? That is, how many grams of cork are there per cubic centimeter?

$\text{Density}=\frac{\text{mass}}{\text{volume}}$