Question

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Answer 1

Answer : 3 times
Explanation:
=> Let, length be 1 and breadth be 2
=> After tripling, length = 3 x 1 = 3
breadth = 3 x 2 = 6
{Perimeter of a Rectangle = 2(l+b)}
=> ∴ perimeter of tripled rectangle = 2(3+6)
= 2(9)
= 18
∴ perimeter of tripled rectangle = 18

=> perimeter of original rectangle= 2(1+2)
=2(3)
=6
{ divide 18 by 6 }
=> 3

∴ perimeter of tripled length and breath rectangle is 3 times more than the original rectangle.