Name __________________________________                             Date _____________

Open-ended Task:  Geometry Chapter 4

Directions:

To receive full credit you must do the following:

1. Show OR describe each step of your work, even if you did it in your head (“mental math”) or used a calculator,

AND

2. Write an explanation stating the mathematical reason(s) why you chose each of your steps.

Question:  The figure at the right shows

 a cabin at a campground.

A.  Identify each triangle in the figure by its sides.

B.  Prove

C.  Identify all pairs of congruent corresponding parts in  and

D. Suppose . Find