To find: the measurement of the exterior angle.
Answer to Problem 16E
Exterior angle is
Explanation of Solution
Given:
Concept used:
Exterior Angle theorem:
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles.
Sum of the three angles of triangle is always
If the triangle is right triangle then other two angles other than
Calculation:
According to the Exterior Angle theorem:
The measure of an exterior angle of a triangle is equal to the sum of the measures of the two nonadjacent interior angles.
According to the given:
Exterior angle
Two interior angles
Plug in the value of
Hence, the Exterior angle of
Chapter 12 Solutions
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