### Home > CCG > Chapter 11 > Lesson 11.1.2 > Problem11-27

11-27.

Examine $ΔABC$ , $ΔABD$ , and $ΔABE$ in the diagram at right. If $\overline { C E } \ ‖ \ \overline{AB}$, explain what you know about the areas of the three triangles. Justify your statements.

It may help to examine the triangles when they do not overlap each other.

What do you notice now?

What is true about the base and height of all the triangles?