2D shapes and perimeter

The distance around an object is called the

• area

• perimeter

• length

A shape that has all sides the same length and all angles the same size is called ...

• Irregular shape

• Regular shape

• Dimension shape

• Angle shape

Which of the following is NOT an attribute used to identify 2D shapes?

• Sides

• Vertex (vertices)

• Color

Regular or Irregular Polygon?

• Regular Polygon

• Irregular Polygon

What is a polygon?

Choose the best answer.

• A 3D shape.

• A shape with rounded edges.

• Only four-sided shapes.

• A 2D shape with straight line segments.

How do you find the perimeter of this shape?

• multiply the length times the width
• multiply all four sides
• add the length and width
• add all four sides

Find the perimeter of the square...

• 32cm

• 40cm

• 64cm

• 36cm

What is the missing length if the perimeter is 30cm?

• 12cm
• 13cm
• 30cm
• 5cm

Which of these shapes below is an octagon

• 
• 
• 
• 

This honecomb takes the .... shape

• Pentagonal

• Square

• Circular

• Hexagonal