77.9 supplement?

1 Answer
David Drayer
May 1, 2018

102.1 degrees

Explanation:

A straight line has 180 degrees total.

an angle and its supplement have a sum of 180 degrees.

# 77.9 + S = 180 #

Subtract 77.9 from both sides to find S the supplement.

# 77.9 - 77,9 + S = 180 - 77.9#

# S = 102.1 #

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