选择题
2004 AMC 8 Problem 24: Parallelogram Height
In the figure, ABCD is a rectangle and EFGH is a parallelogram. Using the measurements given in the figure, what is the length d of the segment that is perpendicular to HE and FG?
A.
6.8
B.
7.1
C.
7.6
D.
7.8
E.
8.1