### Home > INT3 > Chapter 9 > Lesson 9.1.7 > Problem 9-91

9-91.

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

radians to degrees radians to degrees 45 degrees to radians

100º to radians

810º to radians

radians to degrees

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

Use the Hint from

problem 9-90.

Let *π* = 180° and simplify.

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

210°

Use the Hint or Help from problem 9-90.

Simplify by factoring out Giant Ones.

Use the second part of the Help from problem 9-90.

Use the Help from problem 9-90 or try the More Help:

See parts (c) and (d).

See parts (a) and (b).

630°