In Problem
The three remaining parts of the trianglebelow
Answer to Problem 5CT
Solution:
Theangles of triangle are
Explanation of Solution
Given information:
The figure of the triangle
Explanation:
By applying the Law of cosines: The square of one side of a triangle equals the sum of squares of the other sides, minus twice their product times the cosine of their included angle.
To find angle
To find angle
Addition of angles of triangle
Now use angle
Therefore, the angles of the triangle are
Chapter 8 Solutions
Precalculus
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