
To find: Solve

Answer to Problem 22PT
We should solve beginning with Law of cosines.
Explanation of Solution
Given information:
Given
First, we need to Use law of cosines to solve the given
Use law of cosines
We get
On substituting values
We get
Use law of sines
We get
We know
Sum of angles of triangle
Therefore,
We got
Chapter 13 Solutions
Algebra 2
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