选择题
2001 AMC 8 Problem 11: Coordinate Trapezoid Area
Points A, B, C and D have coordinates A(3, 2), B(3, −2), C(−3, −2) and D(−3, 0). The area of quadrilateral ABCD is
A.
12
B.
15
C.
18
D.
21
E.
24