Formula to Calculate Perimeter

What is the perimeter of a shape?

• The space inside the shape

• The edge or border of a shape

• Both A and B

• Neither A or B

How do you calculate the perimeter of a shape?

• Add all the sides together

• Multiply the length by the width

• Add the length and width together

• None of these options

Determine the perimeter of this shape.

• 17 units

• 18 units

• 20 units

• 16 units

What is the perimeter of this shape?

• 17mm²

• 17mm

• 168mm

• 13mm

Find the perimeter of the shape.

• 10 units

• 6 units

• 8 units

• 7 units

What is the perimeter of this shape?

• 16 units

• 20 units

• 18 units

• 19 units

What is the perimeter of this shape?

• 22 units

• 20 units

• 22 units

• 19 units

What is the perimeter of this shape?

• 9 units

• 18 units

• 14 units

• 12 units

A 5 sides shape has sides of 3m. What is the perimeter of the shape?

• 8m

• 15m

• 15m²

• 20m

What is the perimeter of the following shape?

• 28 units

• 20 units

• 25 units