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23-02-2017
Mathematics

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If angle∠ A and angle∠ B are supplementary angles and angle∠ A is eighteight times as large as angle∠ B, find the measures of angle∠ A and angle∠ B.

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Аноним Аноним

23-02-2017

A = 8B
A + B = 180
8B + B = 180
9B = 180
B = 20
A = 8 * 20 = 160

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