How to find the length of the side of other quadrilaterals - ISEE Upper Level Mathematics Achievement
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Question
The perimeter of a quadrilateral is 86. The four sides measure
.
What is the value of 
?
The perimeter of a quadrilateral is 86. The four sides measure
What is the value of
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:
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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