2 years ago

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

2 answers:

6 0

Answer:

100

Step-by-step explanation:

I just took the test

5 0

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.

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