SOLUTION: The sum of the measures of two exterior angles of a triangle is 225. What is the measure of the third exterior angle?
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Question 388249: The sum of the measures of two exterior angles of a triangle is 225. What is the measure of the third exterior angle?
Found 2 solutions by Alan3354, edjones:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
It's 135º
The sum of exterior angles is always 360º, for all polygons.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
360-225=135 the sum of the 2 interior angles
180-135=45 the 3rd interior angle.
180-45=135 the 3rd exterior angle
.
Ed
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