Question

∠A and ∠B are vertical angles. If ∠A=(2x−10) and ∠B=(x+8), then find the measure of ∠A

Answer 1

Answer:

m∠A = m∠B (Def. of Vertical Angles)

2x - 10 = x + 8 (Substitution)

x = 18 (Subtract x and add 10 on both sides)

m∠A = 2(18) - 10 = 36 - 10 = 26º

Step-by-step explanation:

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Answer 2

Answer:

m∠A = m∠B (Def. of Vertical Angles)

2x - 10 = x + 8 (Substitution)

x = 18 (Subtract x and add 10 on both sides)

m∠A = 2(18) - 10 = 36 - 10 = 26º

Step-by-step explanation:

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