The perimeter of the quadrilateral illustrated is 30cm.
The information is incomplete. Therefore, an overview will be given. It should be noted ha perimeter simply means the addition of the sides given.
Let's assume that that we've a rectangle with length and width of 10 and 5cm.
The perimeter will be:
= 2(l + w)
= 2(10 + 5)
= 30cm
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