3 years ago

The perimeter of a quadrilateral is 35 centimeters. Find the length of each side.

1 answer:

7 0

The perimeter is the sum of all the sides so we can add all the sides and set it equal to 35:
$x^2-2x+3x-4+x+2+x+9=x^2+3x+7$

Now we have a quadratic so we can use the quadratic formula to find x= $\frac{-3+i \sqrt{19} }{2}$ . Now you can plug that into each x to find each side:-)

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Of the numbers listed, the only one lower than -24 is -27.

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