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The ratio of the measure of two supplementary angles is 3:7. Find the measure of each angle.

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The ratio of the measure of two supplementary angles is 3:7. Find the measure of each angle.

 

asked Mar 3, 2014 in GEOMETRY by skylar Apprentice
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1 Answer

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Supplementery angle is two angles whose measures add to 180.

Ratio = 3:7

3x+7x = 10x

10x = 180

Divide to each side by 10.

x = 180/10

x = 18

3x = 54

7x = 126

The angles are 54 and 126.

answered Mar 3, 2014 by david Expert

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