how many 4cm square tiles are needed to cover a rectangular floor with dimension 12cm and 8cm?

Sagot :

A.  Find the area of the rectangular floor:
    Area = (L) (W)
    Area = (12 cm) ( 8 cm)
    Area = 96 cm²

B.  Divide the area of the rectangular floor by the area of a piece of tile.
   Number of tiles needed to cover the floor :
        N = 96 cm²
               4 cm²        
        N =   24 tiles

Final Answer:  24 tiles are needed to cover the rectangular floor

Area of the rectangular floor :
lw
= (12cm) (8cm)
= 96 cm^2

96 cm^2 / 4 cm^2 = 24

24 Tiles Are Needed