Question

how many square tiles of side 40cm are needed to build the floor of a room of length 16cm and breadth 10cm​

Answer 1

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Answer 2

Answer:

Area of the rectangular floor = l * b

= 16 * 10 = 160 cm²

Area of 1 square tile = a² = (40)²

= 1600 cm²

Number of tiles required = Area of 1 square tile / Area of rectangular floor

= 1600/160

= 10 tiles

Hence, 10 square tiles are needed

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