Angle A and angle B are supplementary angles. If m angle A = (5x+2) and m angle B = (8x+9), then find the measure of angle B

Question

Alexa Johns

Mathematics

8 May, 10:29

Angle A and angle B are supplementary angles. If m angle A = (5x+2) and m angle B = (8x+9), then find the measure of angle B

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Answers (1)

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Cinnamon · Answer 1

You first identify what supplementary angles are, angles that add up to 180.

5x+2+8x+9=180

17x+11=180-11

17x=169

x=169divided by 17

x=9.9411

x=10 when rounded into the next value

8x*10=80+989