Asked by stephanie

ANGLE A AND B ARE SUPPLEMENTARY. THE MEASURE OF ANGLE A IS 5X+12 AND THE MEASURE OF ANGLE B IS 6X-30. FIND THE MEASURMENT OF EACH.
Answered by Ms. Sue
5x + 12 + 6x - 30 = 180

11x - 18 = 180

11x = 198

x = 18

Angle A:
(5 * 18) + 12
90 + 12 = 102 degrees

Angle B: ??

Answered by Reiny
supplementary angles add up to 180°

so ...

5x + 12 + 6x - 30 = 180

continue ....
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