Question

if the ratio between the lenght and perimeter of the rectangular plot is 1:3 then the ratio between the lenght and breath of the plot is

Answer 1

Let the length and breadth be b
Perimeter=2(l+b)

according to 1st condition

l/2(l+b)=1/3

3l=2(l+b)-------------------------------(i)

according to 2nd condition

b/2(l+b)=1/6

6b=2(l+b)---------------------(ii)

dividing eqn (ii) by (i) we get

6b/3l=1

2b=l-------------------(iii)

Area=l x b

ratio of length to area=l/l x b=2b/2bxb=1/b

as neither length or breadth is given... so the ratio cant be determined..


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