9514 1404 393
Answer:
71.4
Explanation:
The perimeter of the polygon is the sum of the lengths of its sides. Opposite sides in this geometry have the same sum, so the perimeter is ...
P = 2(16.4 +19.3) = 2(35.7)
P = 71.4 . . . units
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The missing length on the lower half of the upper right side is 6.3.