An engineer needs tiles to be constructed to renovate a square shaped floor having a dimension of 4 m x 4 m . The shape of the tile is given below. How many tiles would the engineer need to complete the renovation?
A
4
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B
2
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C
3
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D
5
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Solution
The correct option is A 4
Given, Area of the floor = 4 m x 4 m = 16 m2
The tile can be reframed as a square having dimension 2 m x 2m ∴ The area of the tile (square) = 2 m x 2 m = 4 m2
Number of tiles needed to renovate the floor = 164m2 = 4 ∴ The number of tiles needed would be 4.