BrezzyGirl7118 BrezzyGirl7118

09-02-2018
Mathematics

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The measure of an angle is 88.9°. what is the measure of a supplementary angle?

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gustanika gustanika

09-02-2018

The sum of supplementary angles is 180°. To find the measure of the supplementary angle of 88.9°, make an equation.
a + 88.9 = 180

Solve for a
a + 88.9 = 180
a = 180 - 88.9
a = 91.1

The measure of the supplementary angle is 91.1°

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