All ISEE Upper Level Math Resources
Example Question #1 : How To Find The Length Of The Side Of Other Quadrilaterals
The perimeter of a quadrilateral is 86. The four sides measure
What is the value of ?
Given that the perimeter is 86, the sides of the quadrilateral will all add up to this amount.
The first step is the add together all the integers.
Next, we subtract 70 from each side.
We reduce the left side of the equation:
Now, we divide each side by 4. This leaves: