Question

A floor 10m long and 7m broad is to be paved with square tiles of side 0.5m.find the number of tiles required.

Answer 1

answer:

=280 tiles

Step-by-step explanation:

calculate the area of the rectangle

$= l \times b$

= 10 x 7

= 70 m^2

now calculate the area of the square tiles

$= {a}^{2}$

= (0.5)^2

= 0.25 m^2

:. Number of tiles required to cover floor

=

$area \: of \: rectangle \div area \: of \: square$

= 70/0.25

=280

                                                                 

Hence  the number of tiles required is 280

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