SOLUTION: The area of a rectangle is 50 and the perimeter is 32 Calculate the dimensions of the rectangle to 2 decimal places. I think a quadratic equation is needed.
Thank you
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-> SOLUTION: The area of a rectangle is 50 and the perimeter is 32 Calculate the dimensions of the rectangle to 2 decimal places. I think a quadratic equation is needed.
Thank you
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Question 385908: The area of a rectangle is 50 and the perimeter is 32 Calculate the dimensions of the rectangle to 2 decimal places. I think a quadratic equation is needed.
Thank you Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! l*w=50
l+w=32
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l=50/w
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substitute the value of l
50/w +w=32
(50+w^2)/w=32
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multipy by w
50+w^2=32w
w^2-32w+50=0
use quadratic equation
a=1,b=-32,c=50
b^2-4ac= 824
...
x1=30.35
..
x2=1.65
The dimensions are 30.35 by 1.65
...
m.ananth@hotmail.ca
