Angles Problem And Solution

Problem:∠A and ∠B are vertical angles. If m∠A = 33^o, then what is m∠B?

A ) 33^o
B ) 78^o
C ) 147^o
D ) None of the above

Steps to derive

2 m∠A = m∠B
[Measures of vertical angles are equal.

3 m∠A = 33^o

4 So, m∠B = 33<sup>o

Learn More about angles: Angle Congruent theorems.

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