Lesson 1.6

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# Lesson 1.6 - PowerPoint PPT Presentation

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

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Presentation Transcript

### 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.
• Polygon
• Convex
• Concave
• n-gon
• Equilateral
• Equiangular
• regular
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
• 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
• Named by the number of sides
n-gon
• General polygon
• Can be used to name any polygon

Example

14 sides 14-gon

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

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