   Chapter 2.4, Problem 4E ### 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
1 views

# In Exercise 1 to 4, refer to Δ A B C . On the basis of the information given, determine the measure of the remaining angle(s) of the triangle. m ∠ B = 42 ° and m ∠ A = m ∠ C

To determine

To find:

The measure of A.and C

Explanation

Given:

The given statement is,

mB=42° and mA=mC

Figure (1)

Calculation:

In a triangle, the sum of the measures of the interior angles is 180°.

The given statement is,

mB=42° and mC

The sum of the measures of the interior angles is 180°.

mA+mB+mC=180°

Substitute mC for mA and 42° for mB in the above equation.

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