SOLUTION: The perimeter of a rectangle is 24m and the area is 27sqm. Find its length and breadth.

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Question 938056: The perimeter of a rectangle is 24m and the area is 27sqm. Find its length and breadth.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

P =2L + 2b = 24m

L + b = 12m

L = 12m-b

...

A = Lb

(12-b)b = 27m^2

b^2 -12b + 27 = 0

(b-9)(b-3)= 0

b = 3m 0r 9m and L = 9m 0r 3m

Dimensions are 3m by 9m