Concept explainers
To find: What is the measure of the third angle in the triangle.
Answer to Problem 34CCR
Three angles of triangle are
Explanation of Solution
We know
External angle
Using this concept for the given figure
We get
We know
Let
Sum of angles of a triangle is
Value of
Therefore,
Three angles of triangle are
Chapter 11 Solutions
Glencoe Math Accelerated, Student Edition
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