Question

1 Anita wants to tile her study room with
square tiles. The side of the Tile is 10cm. The
length and breadth
of the hall is 250 cm
and 120 cm,how
many tiles are
needed?​

Answer 1

Answer:

Area of room -

$\color{black}\boxed{\colorbox{saffron}{Area - length×breadth}}$

$120 \times 250 \\ \\ = {30000cm}^{2}$

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Area of Tile -

$\color{black}\boxed{\colorbox{saffron}{Area - side×side}}$

$10×10\\ \\ = {100m}^{2}$

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Number of Tiles Required -

$\frac{30000}{100}\\ \\= 300 tiles$