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Download Aim #75: How do we solve for an exterior angle of a triangle? (Unit 8
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Transcript
Aim #75: How do we solve for an exterior angle of a triangle? (Unit 8 - Geometry) 2-15-17 HW #75: 1) Polygons Handout 2) Study for Quiz tomorrow! (Aims #71-74) Do Now: Complete #7 from yesterday's Aim. Exterior Angles of Triangles Solve for x. Ex. #1: 80 40 x Ex. #2: 45 72 x The measure of an exterior angle of a triangle is equal to the sum of the two non-adjacent remote interior angles of the triangle. Ex. #3: 100 x 30 A Polygon is a closed figure with 3 or more sides all the sides and angles are congruent An interior angle and an exterior angle of a regular polygon are supplementary.
