Warm Up 01.05.12Week 1

Section 6.1 Day 1

I will identify, name, and describe polygons.

Ex 1

Polygon Has three or more sides that connect at endpoints (vertices) that are not collinear. Each side intersects with exactly two other sides.

Section 6.1 Day 1

I will identify, name, and describe polygons.

Ex 1

Polygon Has three or more sides that connect at endpoints (vertices) that are not collinear. Each side intersects with exactly two other sides.

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Vertex

Vertex

Side

Ex 2

yes yes yes no no no

D) Because one side is not a segment.

E) Because two sides do not intersect at endpoints.

F) Because some sides intersect with more than two sides.

A, B, and C are polygons because they have at least 3 sides that connect at endpoints.

Ex 39 Sides

Nonagon

Polygon Names

If no line of the polygon contains a point on the inside.

ConvexPolygon

Interior

Ex 4

Interior

If a line of the polygon contains a point on the inside.

ConcavePolygon

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Ex 5

Concave

Ex 6

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Textbook page 325, 1 - 6 and 12 - 23 All.Assignment:

Review A polygon has to have _______ that are noncolinear.

Do 1: Write two names for the shapes of the tiles: