Makakuha ng mga sagot ng eksperto sa iyong mga tanong sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng mga maalam na sagot mula sa aming komunidad ng mga propesyonal.

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