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In the given figure, It is given that an...

In the given figure, It is given that `angleC=90^(@)`. AD = DB, DE is perpendicular to AB = 20 cm. and AC = 12 cm. The area of quadrilateral ADEC is?

A

`37(1)/(2)`

B

75

C

48

D

`58(1)/(2)`

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