Triangles BAD and BDC are right triangles with AB = 12 units, BD = 15 units, and BC = 17 units. What is the area, in square units, of quadrilateral ABCD?

Triangles BAD and BDC are right triangles with AB 12 units BD 15 units and BC 17 units What is the area in square units of quadrilateral ABCD class=