Question

a rectangle of perimeter is 86cm and width is 18cm find the length

Answer 1

perimeter of rectangle=2×(l+b)
86=2×(l+18)
43=l+18
l=25


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Answer 2

Ans: Perimeter of rectangle = 2 (l + b)
=> 86 = 2 (l+ 18)
=>86 = 2l + 36
=> 86-36 = 2l
=> 50 = 2l
Length = 25 cm

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