Polygons

1
Section 9.2

• Polygons

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Simple? Closed?

• A

• B

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Simple? Closed? Polygon?

• A

• B

4
Simple? Closed? Polygon?

• A

• B

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Convex? Concave?

• A

• B

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Convex? Concave?

• A

• B

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Now try this 9-6

• Draw a curve that is neither simple or closed.

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Polygon Names

• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10

• Triangle
• Quadrilateral
• Pentagon
• Hexagon
• Heptagon
• Octagon
• Nonagon
• Decagon

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GSP Polygon

• Interior angle
• Exterior angle
• Diagonal

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Polygon Hierarchy
Polygons
Triangles
Quadrilaterals
Others Pentagon Hexagon Heptagon Octagon Nonagon
Decagon Et al
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Triangle Hierarchy
Isosceles

• An Equilateral triangle is isosceles

Equilateral
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Quadrilateral Hierarchy
Parallelogram
Isosceles Trapezoid
Rhombus
Rectangle
Square
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Homework 9.2

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