Question

the number of square tiles of side 15cm required for flooring a room of side 3.6cm*4.5 will be

Answer 1

It is very simple now listen answer is 72 sq tiles

now see how = first

rectangle = length × breadth but both length and breadth are not equal one is in m and other is in cm so we will convert 3.6 m into cm = 3600 cm
no of tiles = 3600× 4
_______
length of tiles= 15×15

if you nicely divide it you will get 72 sq tiles