Question

Find the number of bricks to be laid In a square path of sides 18 cm if the side of the each brick is 3 cm I

Answer 1

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ur answer ➖➖➖➖➖➖➖⬇


Number of bricks or tiles = area of path or wall ÷ area of a brick or tile.

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1. Find the number of bricks to be laid in a square path of side 18 cm, if the side of each brick is 3 cm.

Solution:

Area of path = 18 × 18 sq. cm.

Area of each brick = 3 × 3 sq. cm.

Therefore, number of bricks = area of path ÷ area of each brick.

= (18 × 18) ÷ (3 × 3)

= 324 ÷ 9

= 36

Therefore, number of bricks = 36.


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Answer 2

Area of path = 18 × 18 sq. cm.

Area of each brick = 3 × 3 sq. cm.

Therefore, number of bricks = area of path ÷ area of each brick.

= (18 × 18) ÷ (3 × 3)

= 324 ÷ 9

= 36

Therefore, number of bricks = 36