Question

How many tiles of length and breadth 12cm and5cm will be needed to cover a rectangular region whose length and breadth are 70 cm and 36cm

Answer 1

42 tiles

Explanation:

Area of rectangular region= 70 X 36 = 2520 cm2

Area of 1 tile= 5 X 12 = 60 cm2

The number of tiles needed = Area of the rectangular region / Area of one tile = 2520/60 = 42