ibbibhat9340 ibbibhat9340

31-12-2017
Mathematics

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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 angle∠ a and angle∠ b

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lesliekolleroxrkcf lesliekolleroxrkcf

31-12-2017

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

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