The length and breadth of a rectangular board are 16 cm and 9 cm respectively. keeping the area of the board same, if the length is reduced by 4 cm , what would be the breadth of the board
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Answer:
l= 16cm
b=9cm
a=l*b
=16*9
=144 cm^2
now, the length is 16-4
=12
let length be x
therefore,
144=12 * x
x = 144/12
=12 cm
breadth = 12cm
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