To find the number of bricks or tiles when area of path and brick is given are discussed here. We need to divide area of path or wall by area of a brick or tile.
Number of bricks or tiles = area of path or wall ÷ area of a brick or tile.
For Example:
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.
2. Find the number of bricks to be laid in a square path of side 25 cm, if the side of each brick is 5 cm.
Solution:
Area of path = 25 × 25 sq. cm.
Area of each brick = 5 × 5 sq. cm.
Therefore, number of bricks = area of path ÷ area of each brick.
= (25 × 25) ÷ (5 × 5)
= 625 ÷ 25
= 25
Therefore, number of bricks = 25.
● Area.
To find Area of a Rectangle when Length and Breadth are of Different Units.
To find Length or Breadth when Area of a Rectangle is given.
To find Cost of Painting or Tilling when Area and Cost per Unit is given.
To find the Number of Bricks or Tiles when Area of Path and Brick is given.
Word Problems on Area of a Rectangle
Word Problems on Area of a Square
Worksheet on Area of a Square and Rectangle
Worksheet on Area of Regular Figures
5th Grade Geometry
5th Grade Math Problems
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