the least number of square shaped tiles which can be fixed in a room of size 20 metres× 12 metres
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size of each square tiles=H.C.F of 20 and 12=4,
Area of room=20×12 me²,
Area of tiles=4×4 me²,
therefore
number of tiles=(20×12)/(4×4)=5×3=15
Area of room=20×12 me²,
Area of tiles=4×4 me²,
therefore
number of tiles=(20×12)/(4×4)=5×3=15
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4 Tiles
2 tiles of 10x10 metres
1 of 6x6
1 of 2x2
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