In the non-convex quadrilateral A B C D shown below, \angle B C D is a right angle, A B=12, B C=4, C D=3, and A D=13. What is the area of quadrilateral A B C D ?
Answer Choices
A. 12
B. 24
C. 26
D. 30
E. 36
In the non-convex quadrilateral A B C D shown below, \angle B C D is a right angle, A B=12, B C=4, C D=3, and A D=13. What is the area of quadrilateral A B C D ?
Answer Choices
A. 12
B. 24
C. 26
D. 30
E. 36