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3 years ago

13

If angle∠ a and angle∠ b are supplementary angles and angle∠ a is nine nine times as large as angle∠ b, find the measures of an

gle∠ a and angle∠ b

1 answer:

Katarina [22]3 years ago

7 0

A+b=180
a=9b
9b+b=180
10b=180
b=18
a=162

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