Question

what is the perimeter of square stuv?
perimeter = $\boldsymbol{square}$ units
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Explanation:

Step1: Find length of side UV

Count horizontal units between $V(-8,4)$ and $U(5,4)$:
$5 - (-8) = 13$ units

Step2: Calculate square perimeter

Perimeter = $4 \times$ side length
$4 \times 13 = 52$

Answer:

52 units