7. A room is 12 m * 10 m. If it has to be tiled using tiles of size 10 cm x 12 cm,
find the number of tiles needed for the room. full process
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Step-by-step explanation:
area of room = length × breadth
= 12 × 10
= 120 m^2 = 1200000 cm^2
area of tiles = 10 ×12
= 120 cm ^2
number of tiles = area of room ÷ area of tiles
= 1200000 / 120
= 10000
hope it helps
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