Concept explainers
(a)
To find: the sum of the angle measures of the triangle.
(a)
Answer to Problem 28E
Hence, the sum of the angle measures of the triangle is:
Explanation of Solution
Given:
Calculation:
The sum of the interior angles of a triangle is
Simplify:
Conclusion:
Hence, the sum of the angle measures of the triangle is:
(b)
To find: the values of
(b)
Answer to Problem 28E
The values of
Explanation of Solution
Calculation:
Let:
Solve for one variable in using eq.
Substitute on eq.
Simplify & solve for
Solve for
The solution is:
Conclusion:
The values of
Chapter 5 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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