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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Thu Thủy 4 years 2021-08-29T13:12:52+00:00 1 Answers 5 views 0

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  1. sori
    0
    2021-08-29T13:14:51+00:00
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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.

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