1. Angle Activity Exploration: Click on the Angle Activity box.[br]What do you notice about the angles? Which ones are congruent?[br]Move each vertex around. What do you notice about the angles?[br]Check your understanding by entering the angle measures in the boxes below.[br][br]2. Side Activity Exploration: Click on the Side Activity box.[br]What do you notice about the sides? Look at one side of the big triangle, what do you see?[br]Move each vertex around. What do you notice about the sides?[br]Check your understanding by entering the lengths of the sides in the boxes below.

Jeff DeVries[br]Lincoln Public Schools[br]Lincoln, Ne