# Hinge Theorem

- Author:
- kathleenh

Triangle ABC and DEF have two pairs of congruent corresponding sides. Select all the correct statements.

Move point C so that angle A becomes larger and smaller. What do you notice about how this affects the length of the opposite side BC?

Adjust point C so that angle A has a measure of approximately 30 degrees, and adjust point F so that angle D has a measure of approximately 45 degrees. Which statement is correct?

Which statement(s) is a correct conclusion of this exploration?