Answer:
24 cm
Step-by-step explanation:
area = (b1 + b2)h/2,
where b1 and b2 are the lengths of the parallel sides, called the bases, and h is the distance between the parallel sides, called the height.
1080 = (55.6 + 34.4)h/2
2160 = 90h
h = 2160/90
h = 24
Answer: 24 cm
