SOLUTION: area of the rectangle is 16 square meter and its length is 4 times that of its breadth. which is the perimeter of the rectangle?
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Question 299695: area of the rectangle is 16 square meter and its length is 4 times that of its breadth. which is the perimeter of the rectangle? Found 2 solutions by mananth, ikleyn:Answer by mananth(16949) (Show Source):
You can put this solution on YOUR website! let x be the width
4x will be the length
4x*x =16
4x^2=16
x^2=4
x=+1 or -1
the width is 1 and the length is 4
the perimeter = 10
=
You can put this solution on YOUR website! .
area of the rectangle is 16 square meter and its length is 4 times that of its breadth.
which is the perimeter of the rectangle?
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The solution in the post by @mananth is incorrect due to arithmetic errors.
I came to bring a correct solution.
let x be the width
4x will be the length
4x*x = 16
4x^2 = 16
x^2 = 4
x = 2 or -2
the width is 2 meters and the length is 2*4 = 8 meters
the perimeter = 2 + 8 + 2 + 8 = 20 meters. ANSWER
