What is the measure of angle 1?

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asked May 17, 2019 183k views

1 Answer

Andrey Sozykin · Answer 1 · 2019-05-22T01:59:04+0000

Sum of all the interior angles = (5-2)x180 = 540°
540 - 100 - 120 - 100 - 90 = 130°
So the last unknown angle in the polygon is 130°

Sum of all the adjacent angles on a straight line is 180°
Angle 1 = 180 - 130 = 50°

What is the measure of angle 1?

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