ISEE Upper Level Math : How to find the length of the side of other quadrilaterals

Study concepts, example questions & explanations for ISEE Upper Level Math

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Example Questions

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 ?

Possible Answers:

Correct answer:


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:

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