An angle measures 90° less than the measure of a supplementary angle. What is the measure of each angle?

1 answer:

4 0

Supplementary angles add up to 180 degrees more than the other, you can formulate an equation 180=(100+x)+x80=2x so, x=40 the other angle is 100 degrees more. So, the angle lengths are 40 and 140 degrees.

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