Page 91 - Mathematics_Std_4

Example 2

The length of a square garden is 13 metres. Find its perimeter.

Solution
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Length of the square garden = 13 m

Perimeter of the garden = 4 length
×
= 4 ×13 m
= 52 m

Therefore, the perimeter of the garden is 52 m.

Exercise 2

1. Find the perimeter of each of the following squares:

(a) (b)
32 m

40 cm

(c) (d)

21 m 45 cm

2. Find the perimeter of a square whose side has a length of

18 m.

3. The square has a side of 37 cm long. Find its perimeter.

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MATHEMATICS STD 4 PB 2024.indd 84