   Chapter 2.4, Problem 39E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# A lamppost has design such that m ∠ C = 110 ° and ∠ A ≅ ∠ B . Find m ∠ A and m ∠ B . Exercises 39 ,   40

To determine

To find:

The value of mA and mB.

Explanation

Given:

mC=110° and AB

Figure (1)

Approach:

The sum of interior angles of a triangle is equal to 180°.

Calculation:

mA+mB+mC=180°

Substitute 110° for mC, and mA for mB in equation (1).

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