Question

b.
A rectangular hall is 20 m 16 cm long and 15 m 60 cm wide. It is to be decorated with square
tiles of the same size. Find the least possible number of tiles.​

Answer 1

Answer:

20m16cm = 2016 cm

15m60cm=1560cm

HCF=

2016=2×2×2×2××2×3×3×7

1560=2×2×2×3×5×13

HCF=24

Least possible numbers of tiles=

area of rectangular÷area of swuare tiles

=(2016×1560)÷(24)²

=5460