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Math 7B Unit 3 Study Guide

8. Angles fand g are supplementary angles. What is mLf if m<g =
108°?

1 answer

If angles f and g are supplementary angles, their measures add up to 180°.

m<g = 108°

To find mLf, subtract the measure of angle g from 180°:

mLf = 180° - m<g
mLf = 180° - 108°
mLf = 72°

Therefore, mLf is equal to 72 degrees.
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