Question

the length of a rectangular feild is 18 meters more than its breadth .If the perimeter of feild is 204 meters find its length and breadth
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Answer 1

Answer:

given ,

length = breadth + 18

=> l= b+18 ==> l-b=18---(1)

perimeter of a rectangle = 2(l+b) = 204

==> l+b= 102 ---(2).

(1)+(2)==> 2l = 120 ==> l= 60 m .

now b = l-18 => 42 m.

Answer 2

Answer:

Let the length of the rectangular field be x

Then the breadth will be x+18

Step-by-step explanation:

Perimeter of a Rectangle = 2(l+b)

Now,

or, 2{x+(18+x)} = 204

or, 2x+18+x = 204

or, 3x = 204 - 18

or, x = 186/3

or, x = 62

Since, Length = 62m then, Breadth will be = 62+18= 80m

Therefore, the length and breadth of the rectangular field will be 62m and 80m respectively.

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