Line Segments of Polygons

What is a vertex?

• The point where two waves meet

• The point where two lines meet

• The point where two sides meet

• The point where two segments meet

What is a polygon?

• A closed figure made up of straight line segments

• An open figure made up of straight line segments

• A closed figure made up of curved edges

• An closed figure made up of crossed line segments

What is a polygon?

• A closed figure made up of straight line segments

• An open figure made up of straight line segments

• A closed figure made up of curved edges

• An closed figure made up of crossed line segments

How many line segments are there on a pentagon?

• 2

• 3

• 4

• 5

Find AB.

• 69

• 20

• 19

• 11

How many vertices does this shape have?

• 5

• 9

• 8

What does the image show?

• a line

• a line segment

• a ray

• a point

A polygon is a closed plane shape with 3 or more line segments (sides) that meet at the endpoints. What shape is a polygon?

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A polygon is a closed plane shape with 3 or more line segments (sides) that meet at the endpoints.

Polygons are ___ plane shapes.

• sometimes

• always

• never

A polygon is a closed plane shape with 3 or more line segments (sides) that meet at the endpoints.

Polygons are ___ closed shapes.

• sometimes

• always

• never