In the figure, it is given that angle C=90∘,¯¯¯¯¯¯¯¯¯AD=¯¯¯¯¯¯¯¯¯DB,DE⊥AB,¯¯¯¯¯¯¯¯AB=20, and ¯¯¯¯¯¯¯¯AC=12. The area of quadrilateral ADEC is
75
5812
48
3712
None of these
A
75
B
3712
C
None of these
D
5812
E
48
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