SOLUTION: ∠A and ∠B are supplementary angles. If m∠A=(x+23)∘ and m∠B=(2x+13)∘, then find the measure of ∠A.

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Question 1055348: ∠A and ∠B are supplementary angles. If m∠A=(x+23)∘ and m∠B=(2x+13)∘, then find the measure of ∠A.


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
∠A and ∠B are supplementary angles. If m∠A=(x+23)∘ and m∠B=(2x+13)∘, then find the measure of ∠A.
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Equation:
x+23 + 2x+13 = 180
3x + 36 = 180
x + 12 = 60
x = 48
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A = x+23 = 48 + 23 = 71 degrees
B = 2x+13 = 2*48 + 13 = 96+13 = 109 degrees
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Cheers,
Stan H.
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