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∠A=6x+12
∘
start color #11accd, angle, A, equals, 6, x, plus, 12, degrees, end color #11accd \qquad\greenD{\angle B = 3x + 63^\circ}∠B=3x+63
∘
start color #1fab54, angle, B, equals, 3, x, plus, 63, degrees, end color #1fab54

Solve for xxx and then find the measure of \blueD{\angle A}∠Astart color #11accd, angle, A, end color #11accd:

Respuesta :

Answer:

x = 17

∠A = 114°

Step-by-step explanation:

In the figure attached, the complete question is shown.

From the figure, we know that:

∠A = ∠B

Replacing with the expressions, we get:

6x+12 = 3x+63

6x - 3x = 63 - 12

3x = 51

x = 51/3

x = 17

∠A = 6(17)+12

∠A = 114°

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4010800

Answer:

143

Step-by-step explanation:

bc khan

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