How many square tiles having a side length of cm are
needed to cover a rectangular floor whose dimensions are m and m?
Step 1: Find the area of the floor.
Convert the length and width from metres to centimetres (to match the units used for the square tile): and
Use the formula for the area of a rectangle.
Step 2: Find the area of a tile.
Use the formula for the area of a square
Step 3: Find the number of tiles needed to cover the floor.
Divide the area of the floor by the area of a tile.