Question

(ii)How many tiles whose length and breadth are 12 cm and 5 cm respectively will
be needed to fit in a rectangular region whose length and breadth are 100 cm and 144 cm
respectively.​

Answer 1

Answer:

area of tile=60cm².

area of region=14400cm².

no. of tiles=240.

Step-by-step explanation:

rectangular tile:-

length of tile=12cm.

breadth of tile=5cm.

area of tile=length×breadth

=12×5

=60sq.cm.

=60cm²

rectangular region:-

length of region=100.

breadth of region=144.

area of region=length×breadth

=100×144

=14400.

no.of tiles= area of rectangular region

area of rectangular tile

= 14400

60

= 1440

6

= 240

240 tiles are required to cover the region.