milliemirandaa milliemirandaa
  • 12-03-2021
  • Mathematics
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A square room has a tiled floor with 225 square tiles. How many tiles are along an edge of the room?

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gufeliz1965
gufeliz1965 gufeliz1965
  • 12-03-2021

Tiled floor with 225 square tiles means the area of the square room is 225.

Formula needed: A = (side)^2 or in short

A = s^2.

We need to find s.

225 = r^2

sqrt{225} = sqrt{r^2}

15 = r

There are 15 tiles are along an edge of the room.

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