### Home > PC3 > Chapter 2 > Lesson 2.1.3 > Problem 2-41

2-41.

Recall some facts from your Chapter 1 investigation of radian measure.

How many radians are in a full circle?

What is the ratio of the circumference of a circle to its radius?

How many radians are in half a circle?

What are the radian measures that correspond to the following degree measures?

Review your work from problem 1-111.