# How do you solve the triangle given a=21.5, b=13, C=38?

##### 1 Answer

Feb 17, 2018

#### Explanation:

We use law of cosines to find side c.

Square rooting both sides, we get

From there, we can use law of sines to find angle B.

Solving, we get

Using

Subtracting from 180 to find the third angle,we get