CPM Homework Help : CCG Problem 4-70

Right triangle, horizontal leg, B C, vertical leg, B A, point on side, A C, labeled, d, & point on side, B C, labeled, E, are connected with segment, creating right triangle, horizontal leg, E C, & vertical leg, E D. Are the triangles at right similar? If so, write a flowchart that justifies your conclusion. If not, explain how you know.

Hint:

Draw triangles $ABC$ and $DEC$ separately. What do you notice about angles $B$ and $E$ ? What do you notice about angle $C$ ?