Perimeter with Irregular and Regular Shapes

What is the perimeter of the following shape?

• 18

• 20

• 14

• 16

The perimeter of this figure is ...

• 20 cm

• 30 cm

• 40 cm

• 50 cm

What is the perimeter of the rectangle? (Hint: top matches the bottom, left matches the right!)

• 15 cm

• 16 cm

• 15 sq cm

• 15 cm

The length of a rectangle is 10cm and the width is 5cm. What is the perimeter of the rectangle?

• 50cm

• 30cm

• 15cm

Siti has a rectangular waffle of lenght 7 cm and width 5 cm. The perimeter of the waffle is . . . .

• 35 cm

• 24 cm

• 12 cm

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

Calculate the perimeter

Find the perimeter

Find the perimeter

Calculate the perimeter