Answer:
13) non-regular pentagon (5-sides, all sides not equal)
14) regular hexagon (6-sides, all appear to be equal)
15) two pair of parallel sides without right angles is a parallelogram
16) two pair of parallel sides with four right angles is a rectangle; if all sides are equal then it is a square
Step-by-step explanation:
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42 feet.
See the attached picture:
