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Y_Kistochka [10]

4 years ago

11

If angle A and angle B are supplementary angles and angle A is eight times as large as angle B, find the measures of angle A an

d angle B.

1 answer:

ruslelena [56]4 years ago

6 0

Step-by-step explanation:

A=8B

A+B=180

8B+B=180°

9B=180°

B=20°

so

angle A =8×20=160°

angle B= 20°

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