Supplementary angles 4

Angle A and angle B are supplementary. The measure of angle B is 82.5.
What is the measure of angle A in degrees?

Enter your answer as a decimal, if necessary, like this: 42.5

Correct answer:

A =  97.5 °

Step-by-step explanation:

B=82.5  A+B=180    A=180B=18082.5=97.5=97°30

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