Question

Find the length whose perimeter is 160 cm and breath is 40 cm

Answer 1

Step-by-step explanation:

as we know that the perimeter is 2(l+b)

area of perimeter is equal to 160

l+40=80

l=40

Answer 2

The length of a rectangle is "40 cm".

Step-by-step explanation:

$The \ given \ values \ are:\\The \ perimeter \ of \ a \ rectangle,P=160 \ cm\\The \ breadth,B=40 \ cm\\The \ length,L=?\\As \ we \ know,\\The \ perimeter \ of \ a \ rectangle,P=2(L+B)\\On \ putting \ the \ values \ in \ the \ above \ formula,we \ get\\160=2(L+40)\\\frac{160}{2}=L+40\\80=L+40\\ L=80-40\\L=40 \ cm$

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