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Lesson 1.6. Classify Polygons. Objective. Classify Polygons. Standard. 12.0 – Students find and use measures of sides and of interior and exterior angles of triangles and polygons to classify figures and solve problems. Academic Language. Polygon Convex Concave n- gon Equilateral

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lesson 1 6

Lesson 1.6

Classify Polygons

objective
Objective
  • Classify Polygons
standard
Standard
  • 12.0 – Students find and use measures of sides and of interior and exterior angles of triangles and polygons to classify figures and solve problems.
academic language
Academic Language
  • Polygon
  • Convex
  • Concave
  • n-gon
  • Equilateral
  • Equiangular
  • regular
polygon
Polygon
  • A figure formed by 3 or more line segments called sides and can only intersect at most one other side.
    • Each endpoint of a side of a polygon is a vertex
    • Polygons can be named by listing vertices in consecutive order
convex polygon
Convex Polygon
  • A polygon where no side contains an interior point of the polygon
  • A polygon that is not convex is called non-convex polygon or …….

Concave polygon

classify polygons
Classify Polygons
  • Named by the number of sides
n gon
n-gon
  • General polygon
  • Can be used to name any polygon

Example

14 sides 14-gon

equilateral polygon
Equilateral Polygon
  • All sides are congruent
equiangular polygon
Equiangular Polygon
  • All angles in the interior of the polygons are congruent
regular polygon
Regular Polygon
  • Convex polygon that is both equiangular and equilateral
homework
Homework

p.44 #1, 3, 7, 11, 17, 23, 38