### Home > CCA2 > Chapter 7 > Lesson 7.1.7 > Problem 7-107

7-107.

Convert each of the following angle measures. Give exact answers. Homework Help ✎

radians to degrees radians to degrees 45° to radians

100° to radians

810° to radians

radians to degrees

There are multiple ways to approach these problems. Try different strategies to expand your personal toolkit.

Use Hint 1 from

problem 7-106.

Let π = 180° and simplify.

Notice, you do not need a calculator if you divide 180 by 6 as your first step.

210°

Use Hint 1 or 2 from 7-106.

Multiply

Simplify by factoring out Giant Ones.

Use the second part of Hint 2 from 7-106.

Use Hint 2 from 7-106 or try Hint 3:

Use the proportion

See parts (c) and (d).

See parts (a) and (b).

630°