Question

How many tiles whose length and breadth are 12cm and 5 cm respectively are needed to fit in a rectangular region whose length and breadth are 144 cm and 100 cm respectively ?

Answer 1

Answer:

100 brith 156 cm brith is 132

Answer 2

Length of the rectangulat region

$= 144cm$

Breadth of the rectangular region

$= 100cm$

∴ Area of the rectangular region

$= (144 \times 100)sq. \: cm = 14400sq. \: cm$

Length of a tile

$= 12cm$

Breadth of a tile

$= 5cm$

Area of one tile

$= (12 \times 5)sq. \: cm = 60sq. \: cm$

Number of Tiles needed

$= \frac{Area \: of \: rectangular \: region}{Area \: of \: one \: tile} = \frac{14400}{60 } = 240$

Thus, 240 tiles are needed to fit in the rectangular region

Answer 3

Length of the rectangulat region

$= 144cm$

Breadth of the rectangular region

$= 100cm$

∴ Area of the rectangular region

$= (144 \times 100)sq. \: cm = 14400sq. \: cm$

Length of a tile

$= 12cm$

Breadth of a tile

$= 5cm$

Area of one tile

$= (12 \times 5)sq. \: cm = 60sq. \: cm$

Number of Tiles needed

$= \frac{Area \: of \: rectangular \: region}{Area \: of \: one \: tile} = \frac{14400}{60 } = 240$

Thus, 240 tiles are needed to fit in the rectangular region