Question

arun plans to tile his kitchen floor with square tiles each side of the tile is 10 cm. his kitchen is 320 cm long and 200 cm wide. how many tiles will be needed? first one to answer will be marked as brainliest.​

Answer 1

Answer:

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Answer 2

Answer:

$area \: of \: square \: = \: {a }^{2} \\ area \: of \: rectangle = lb \\ area \: of \: 1tile \: = {10}^{2} \\ = 100 {cm}^{2} \\ area \: of \: kitchen = 320 \times 200 = 6400 \\ number \: of \: tiles = \frac{area \: of \: kitvhen}{area \: of \: tile} \\ = \frac{64000}{100} \\ = 640 \\ therefore \: no \: of \: tiles \: is \: 640$

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