∠A and \angle B∠B are vertical angles. If m\angle A=(7x-20)^{\circ}∠A=(7x−20)
1 answer:
Answer:
<h3>
m∠A = 113°</h3>
Step-by-step explanation:
Vertical angles have the same measure
m∠A = m∠B
7x - 20 = 6x - 1
7x - 6x = 20 - 1
x = 19
m∠A = (7x-20)° = (7•19 - 20)° = (133 - 20)° = 113°
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