htxalyssa
26.06.2019 •
Mathematics
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?
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Ответ:
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°
Ответ: