Understanding Two-Dimensional Shapes

What are the straight edges that form the boundary of a two-dimensional shape called?

• Lines

• Angles

• Sides

• Vertices

How many vertices does a pentagon have?

• Five

• Four

• Six

• Three

Where would a triangle be sorted based on its number of vertices?

• Five vertices

• Four or more vertices

• Three or fewer vertices

• No vertices

Which shape does not have any vertices?

• Triangle

• Hexagon

• Rectangle

• Circle

What can be created by combining three triangles?

• A rectangle

• A trapezoid

• A hexagon

• A square