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example 8. Kareem has a garden measuring 240 m by 80 m. He wants to divide the
garden into square flower beds of side 8 m. How many flower beds can be formed?

Solution. Area of the garden = Length × Breadth
= 240 m × 80 m = 19,200 sq. m

Area of a flower bed = 8 m × 8 m = 64 sq. m
Number of flower beds that can be formed

= Area of the garden ÷ Area of a flower bed
= 19,200 sq. m ÷ 64 sq. m = 300

Thus, 300 square flower beds can be formed.

Exercise 8B

1. Find the area of these shapes if each small square has an area of 1 sq. cm.

a. b. c. d.

2. Find the area of the following designs, if the area of each small square = 1 sq. cm.
a. b. c.

d. e. f.

198 Mathematics 5