Question

A tile measure 10cmx10cm .how manu such tiles required cover a wall of 40cmx20cm?​

Answer 1

Answer:

area of wall 40*20=800

area of tile 10*10=100

no. of tiles =800/100=8 tiles

Answer 2

Step-by-step explanation:

Area of tiles =10 × 10

Area of tiles = 100 sq. cm.

Area of wall = 40 × 20

Area of wall =800 sq. cm.

.•. No. of tiles required = Area of wall

Area of tiles

= 8