how many tiles whose length and breadth are 12 cm and 5cm respectively will be needed to fit in a rectangle region whose length and breadth are respectively. 70cm and 36 cm . Created by kaushikagowrishankar. English

Answer:42 tiles are requiredExplanation:(a) Area of region = 100 cm x 144 cm = 14400 sq.cm Area of one tile = 5 cm x 12 cm = 60 sq.cm Number of tiles = Area of region Area of one tile =14400/60 = 240 Thus, 240 tiles are required. (b) Area of region = 70 cm x 36 cm = 2520 sq.cm Area of one tile = 5 cm x 12 cm = 60 sq.cm Number of tiles = Area of region Area of one tile =2520/60 = 42 Thus, 42 tiles are required.