Concept explainers
To calculate:
The value of
Answer to Problem 27PPS
The value of
Explanation of Solution
Given information:
Round angle measures to the nearest degree and side measures to the nearest tenth.
Concept used:
Law of cosines:
Where,
Calculation:
With the help of the diagram, it is observed that having the three sides and no
Law of cosines:
Where,
And
First substitute and then simplify,
Now simplify the,
Now solve for the
Now use the invers cosine ratio, the value of
Hence the value of
Chapter 8 Solutions
Geometry, Student Edition
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