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06-06-2019
Mathematics

contestada

Angle Q and angle R are supplementary angles. If the measure of angle Q = 2xº and the
measure of angle R = (x + 81)", then what does x equal?

Respuesta :

12-06-2019

Answer: 33°

Step-by-step explanation: Because Angles Q and R are supplementary, we can say 2x + x + 81° = 180°

3x + 81° = 180° Subtract 81° from each side

3x = 99° Divide by 3

x = 33°

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