Question

The length and breadth of a rectangular field are in the ratio of 3:2. If the perimeter of the field is 80m, find its breath( in metres)

Answer 1

perimeter of rectangle= 2(l+b)
2(3x+2x)
2(5x)
10x =80
x=80/10=8
as given breadth = 2x
so on putting vale of x
2×8=16 m ans.
hope it works
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Answer 2

Solution -

​​Let's assume the length as 3x meters  

So, the breadth as 2x meters  

According to Question,  

[ ∵ Perimeter of rec. = 2(l + b) ]  

Perimeter of rec. field = 80  

⇒ 2(3x + 2x) = 80  

⇒ 5x = 80/2 = 40  

⇒ x = 40/5    

⇒ x = 8    

Measurements -  

Length = 3x = 3(8) = 24 m  

Breadth = 2x = 2(8) = 16 m  

∴ The length and breadth of rectangular field are 24 m and 16 m respectively  

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