Answer:
C, C
Step-by-step explanation:
1. The opposite sides are equal length and parallel, so this is a parallelogram.
Answer C.
2. The length of the midsegment of a trapezoid is the average of the lengths of its top and bottom.
9.2 = 1/2 (12.6 + x)
18.4 = 12.6 + x
x = 5.8
Answer C.
