How many tiles of measure 10 cm x 10 cm are required to cover a surface of 4m x 2.5 m?
Area of the surface = 2.5 m 4 m = 10 m2 = 10 10000 = 100000 cm2
area of each tile = 10 cm 10 cm = 100 cm2
no. of tiles =
area of each tile = 10 cm 10 cm = 100 cm2
no. of tiles =