Practice!

Sample Problem

The figure below is formed by 6 same sized rectangles. What is its area?

Solution

Length of each rectangle

 = 12 cm ÷ 3

 = 4 cm

Width of each rectangle

 = 9 cm ÷ 3

 = 3 cm

Area of 1 rectangle

 = 3 cm × 4 cm

 = 12 cm2

∴ Area of 6 rectangles

 = 6 × 12 cm2

 = 72 cm2