how many side with dimensions 5cm and 12 cm will be needed to fit a region whose length and breadth are respectively 100 cm and 144cm.
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Step-by-step explanation:
Area of the region = l × b sq. units
=100 × 144 sq. cm
= 14400 sq.cm
Area of the tile = s × s sq. units
= 12 × 5 sq. cm
= 60 sq . cm
No. of tiles required to fit the region
= 14400 sq .cm ÷ 60 sq .cm
= 240 tiles
.
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