Find the missing angle of the triangle
45
55
65
75
87
92
106
62
What is the sum of the angles of this 10 sided polygon?
720
1260
1440
1800
What is the angle sum of this polygon?
360
540
Find the angle sum of the polygon
900
1080
Find the measure of the third angle in each triangle, given two angle measures.
72, 54, ...
54
58
73
35, 62, ...
72
78
80
83
There are 180 degrees in a triangle
A four sided figure has an angle sum of 540 degrees
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