2D 3D Shapes

What is the perimeter of this rectangle?

• 20 feet

• 20 square feet

• 84 square feet

• 40 feet

• 84 feet

What is a polygon?

• A 3D shape.

• A shape with rounded edges.

• Only four-sided shapes.

• A 2D shape with straight line segments.

A vertex is...

• The side of a shape.

• The measurement of the area.

• A cloud formation that spins.

• The corner.

What is the name of this 3D shape?

• cylinder

• sphere

• cone

• cube

What is the name of this 3D shape?

• square

• rectangle

• cube

• sphere

How would you describe this shape?

• It has only flat surfaces

• It has only curved surfaces

• It has one curved surface and one flat surface

• It has one curved surface and two flat surfaces

The area of a rectangular shape can be found by...

Choose all the correct answers.

• adding up all the line segments.

• multiplying the length times the width.

• counting up all the squares.

• counting the squares on the edge of the shape.

The area of a square that has a measurement of 2 feet on one side is what?

• 8 feet

• 2 feet

• 6 feet

• 4 feet

• 16 feet

What is the perimeter of a shape that has sides measuring, 5 meters, 10 meters, 5 meters, and 10 meters?

• 50 square meters

• 15 meters

• 30 square meters

• 30 meters

• 20 meters

What is the perimeter of a shape that has measurements of 2mm, 2mm, 2mm, 2mm, 2mm, and 2mm?

• 12 mm

• 64 mm

• 4 mm

• 6 mm