Investigating Similar Figures
ABCD and EFGH are similar quadrilaterals. You can change the shape of ABCD by dragging the points and you can change the size of EFGH with the size slider.
Observations and Reflections
Play with the applet above, then answer the following questions.
Angles
You already know that these quadrilaterals are similar. What do you notice about the corresponding angles of these similar figures?
Sides
Is it possible for the corresponding sides of these similar figures to be congruent? Are they always congruent? What do you notice about the ratios of corresponding side lengths between the similar figures?