sibi wants to cover the floor of a room 5m long and width 4m by sq.tiles. If the area of each square tiles is (1/2)meter square , then find the number of tiles required to cover the floor of a room.
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sibi wants to cover the floor of a room 5m long and width 4m by sq.tiles. If the area of each square tiles is (1/2)meter square , then find the number of tiles required to cover the floor of a room.
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She wants to cover the floor of a room which is 5m long and 4m width by square tiles. We know that the area of a square tile is 1/ meter-square.
So, we have to find required number of tiles to cover the whole floor. To solve this problem, we have to find total area of the floor first.
So, total area of the floor is 5 * 4 meter-square
= 20 meter-square.
So, total number of tiles = are of the floor / area of one tile
=
= 40
Answer: required number of tiles = 40.