Question

a hall measures 16metres by 12m. how many square tiles of side 25cm will be required to pave the floor ​

Answer 1

FOR HALL,

Given,

b=16 m =1600 cm

h=12 m =1200 cm

soln,

Ar[hall]=1600×1200

=1920000 cm^2 ___________ [1]

FOR TILE,

Given,

a=25 cm

soln,

Ar(tile)=a^2

=25^2

=625 cm^2 _____________[2]

so, no of tiles,

from 1 and 2

1920000/625

=3072 tiles

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