AMC8 2001 Problem 11

Past Contests AMC8 AMC 8 - 2001
1

Points A, B, C and D have these coordinates: A(3,2), B(3,-2), C(-3,-2) and D(-3,0). The area of quadrilateral A B C D is
Image
Answer Choices
A. 12
B. 15
C. 18
D. 21
E. 24