geometry
posted by sharon .
If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

The sum of all internal angles of a pentagon is 540 degrees.
For a polygon of N sides, the sum is
N*(180360/N) = N*180  360 degrees
Subtract (120 +93 +108 +101) from 540 for your answer.
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