SOLUTION: Angle a and angle b are supplementary and equal. How many degrees does angle a measure?

SOLUTION: Angle a and angle b are supplementary and equal. How many degrees does angle a measure?

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Question 575618: Angle a and angle b are supplementary and equal. How many degrees does angle a measure?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
angle a = angle b
angle a + angle b = 180
angle a + angle a = 180
2 times angle a = 180
angle a = 180/2
angle a = 90
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