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14-08-2017
Mathematics

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One angle in a pair of complementary angles is 4/5th of the other . Find the measure of the two angles

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musiclover10045 musiclover10045

14-08-2017

complementary angles equal 90 degrees

angle 1 = x

angle 2 = 4/5x

x + 4/5x = 90

9/5x = 90

x = 90 / 9/5 = 50

angle 1 = 50 degrees

angle 2 = 4/5 x 50 = 40 degrees

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