Question

Ashok plans to tile his kitchen floor with green square tiles. Each side of the tile is 10 cm. His kitchen is 250 cm long and 200 cm wide. How many tiles will he need?
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Answer 1

Answer:

500 tiles will be needed.

Step-by-step explanation:

Length of Ashok's kitchen is 250 cm and the width of Ashok's kitchen is 200 cm.

If we consider a rectangle having p cm length and q cm width then , the area of the rectangle will be , ( length × width ) = ( p × q )  cm²

In this case , p = 250 cm and q = 200 cm

then , the area of the kitchen is ( p × q ) = ( 250 × 200 ) = 50000 cm²

Tiles are 10 cm of length from each side , then off course they are square.

Area of a square having a cm length from each side is a² cm².

here , a = 10 cm

then the area of each tile is , a² = 10² = 100 cm²

∴ The number of tiles needed is ( 50000/100 ) = 500