A floor measuring 42 cm by 2.8 cm is to be covered with tiles measuring 35 cm square. How many tiles will be needed
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Answer:
Total area of the floor
Area of a rectangle (length*breadth)
= 42cm *2.8cm
= 117.6 cm²
Area of a single tile = Area of a square
= side * side
=35*35
=1225 cm²
Therefore, No. of tiles
= area of a room ÷ area of a tile
117.6÷1225
=0.096 tiles...
Answered by
0
Answer:
Total area of floor
= length * breadth
= (42*2.8)cm^2
= 117.6 cm^2
area of tile = 35 cm^2
no. of tiles required = area of floor / area of a tile
=117.6/35tiles
=3.36 tiles (3 tiles approx)
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