SOLUTION: ANGLE 1 and ANGLE 2 are vertical angles. If angle measure 1 is 63 and angle measure 2 is 4x-9, what is the value of x?

Question 914179: ANGLE 1 and ANGLE 2 are vertical angles. If angle measure 1 is 63 and angle measure 2 is 4x-9, what is the value of x?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

vertical angles are equal:
< (1) = < (2) (in fact they are congruent angles)
so, if measure of < is � and measure of < is �, than
� ...solve for
�
�
�
�
if �, than < is �...it proves that < (1) = < (2) are congruent angles

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