Angle a and angle b are vertical angles with measue of angle a=x and measure of angle b=5x-80
1 answer:
Answer:
we know that
Vertical Angles are the angles opposite each other when two lines cross. They are always congruent to one another
in this problem
∠A and ∠B are vertical angles
so
∠A=∠B
we have
∠A=
∠B=
equate angle A and angle B
solve for x
therefore
the answer is
the measure of angle A is
Step-by-step explanation:
Hope it helps:)
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