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Angles A and B are supplementary. Angle A has a measure of 80°. What is the measure of angle B?

The measure of angle B is

User Faujong
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2 Answers

5 votes

Answer:

100

Explanation:

I just took the test

User Abhay Shiro
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Supplementary angles: sum of the angles measure to be 180º
180º-A= B
Plug in...
180º-80º= 100º

So, angle B must be 100 degrees.
User Humanity
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