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  • 03-10-2016
  • Mathematics
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A. an angle measures 78°. what is the measure of its supplement?

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xXinfinitestarsXx
xXinfinitestarsXx xXinfinitestarsXx
  • 03-10-2016
Supplementary angles are two angles that have a sum of 180°.
 78° + x - 78° = 180°- 78°

x = 102°


Its supplement is 102°
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