
To calculate:
The

Answer to Problem 34PPS
The measurements of triangle are
Explanation of Solution
Given information:
Concept used:
Law of cosines:
Law of sines:
Calculation:
With the help of the above diagram it is easy to get the two sides and an included angle. So, with the help of the Law of cosines get the value of
Use the law of cosines:
Law of Cosines:
So, first substitute
Now, simplify
Now, combine
Now get the square root value,
Since, having the two sides and nonincluded angle, use the law of sines to get the measure of angle
So, substitute
Now, cross products property
Now, solve for
Now use the inverse cosine ratio to get the value of
The sum of the angles of a triangle is
Therefore, the measurements of triangle are
Chapter 8 Solutions
Geometry, Student Edition
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