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1.4 Polygons. Objective: I CAN define and classify polygons. shape with 3+ sides connecting at vertices; no curves. Polygon:. Convex:. no poking out or in. not convex. Concave:. Serra - Discovering Geometry Chapter 1: Introducing Geometry. Example #1.
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1.4 Polygons Objective: I CAN define and classify polygons
shape with 3+ sides connecting at vertices; no curves Polygon: Convex: no poking out or in not convex Concave: Serra - Discovering Geometry Chapter 1: Introducing Geometry
Example #1 a) Not a polygon. (middle line) Convex or Concave? b) Convex c) Not a polygon. (curve) d) Concave Serra - Discovering Geometry Chapter 1: Introducing Geometry
Types of Polygons Serra - Discovering Geometry Chapter 1: Introducing Geometry 4
Equilateral: Equiangular: Regular: convex, equilateral, & equiangular Serra - Discovering Geometry Chapter 1: Introducing Geometry 5
Example #2 Regular nonagon. Find x. Serra - Discovering Geometry Chapter 1: Introducing Geometry
Diagonal: segment connecting 2 nonconsecutive vertices 1 2 3 Congruent Polygons: polygons with the same size and shape Polygons are congruent if and only if their corresponding sides and angles are congruent. Serra - Discovering Geometry Chapter 1: Introducing Geometry 7