+29 Suppose that ABCD is a trapezoid in which AD || BC. Given AC perpendicular CD, AC bisects angle BAD, and the area of ABCD is 42, then compute the area of triangle ACD.
+26367 Suppose that ABCD is a trapezoid in which AD || BC. Given AC perpendicular CD, AC bisects angle BAD, and the area of ABCD is 42, then compute the area of triangle ACD.
see: https://web2.0calc.com/questions/please-help-quick_5
