"In the adjoining figure `A B D C\ a n d\ D A` is perpendicular to `A Bdot` Further
Channel: Doubtnut
Date: 2020-06-28

"In the adjoining figure `A B D C\ a n d\ D A`
 is perpendicular to `A Bdot`
 Further, `D C=7c m ,\ C B=10 c m\ a n d\ A B=13 c mdot`
 Find the area of the quadrilateral `A B C Ddot`"