how many tiles , each 12cm by 6cm are needed for a floor of a room 162cm long,144cm wide?

Asked by avneeshs440 | 20th Dec, 2018, 10:28: PM

Expert Answer:

Length of a tile   = 12 cm 
Breadth of a tile = 6 cm 
Area of a tile = l × b = 12 × 6 = 72 cm2
Area of the floor= l × b = 162 × 144 = 23328 cm2
No. of tiles = 23328/72 = 324

Answered by Yasmeen Khan | 21st Dec, 2018, 10:50: AM

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