demallablack demallablack

12-11-2017
Mathematics

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The sum of the measures of two complementary angles is 90 degrees°. If one angle measures 9 degrees° more than twice the measure of the other, find the measure of the smaller angle.

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tynollette tynollette

12-11-2017

x +(2x+9)=90
3x+9=90
3x=81
x=27
the other angle is 90-27=63

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