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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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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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Mathematics
4 years
2021-08-29T13:12:52+00:00
2021-08-29T13:12:52+00:00 1 Answers
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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.