2D, 3D, & Area Review for Unit 4

Front

What is a 2D shape?

Back

A shape that has only length and width, like a square or circle.

Front

What is a 3D shape?

Back

A shape that has length, width, and height, like a cube or sphere.

Front

What is the area of a shape?

Back

The amount of space inside a shape, measured in square units.

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Front

What is a polygon?

Back

A closed shape with straight sides, like a triangle or rectangle.

Front

What is a vertex?

Back

A point where two sides of a shape meet.

Front

How many vertices does a cube have?

Back

A cube has 8 vertices.

Front

What is a face of a 3D shape?

Back

A flat surface on a 3D shape.

Front

How many edges does a cube have?

Back

A cube has 12 edges.

Front

What shape has 4 equal sides and 4 right angles?

Back

A square.