### Home > INT3 > Chapter 9 > Lesson 9.1.7 > Problem9-90

9-90.

How do you convert from degrees to radians and from radians to degrees? Explain your method and justify it completely. Homework Help ✎

Notice that when you know the number of radians in π form, you can convert to degrees by letting π = 180°.
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$\text{To convert from radians to degrees, multiply by }\frac{180}{\pi}.$

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$\text{In all situations you can simply set up a proportion with } \frac{\pi \text{ radians}}{180\degree} \text{ as one of the ratios.}$

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