### Home > INT2 > Chapter 12 > Lesson 12.1.3 > Problem12-38

12-38.

What are the volume and surface area of a right pyramid if its height is $7$ mm and its base is a regular pentagon with perimeter $20$ mm?

$\text{V}$ is about $64.2\text{ mm}^3$, $\text{SA} = 102.7\text{ mm}^2$