To calculate:
The each
Answer to Problem 11CYU
The angles are
Explanation of Solution
Given information:
Concept used:
Law of Cosines:
Calculation:
Since, the given three sides and no angles start solving this triangle
Law of Cosines:
Where,
Put the values in equation (1):
Simplify the equation:
Use the inverse cosine ratio:
Similarly, use the Law of cosines for
Where,
Put the values in equation (1):
Simplify the equation:
Use the inverse cosine ratio:
The sum of the angle of the triangle is
The angle of each triangle
Chapter 8 Solutions
Geometry, Student Edition
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