1. Figure ABCD is a rhombus. Drag point A to move the rhombus. Use the slider to adjust the sides. Drag points B or D to adjust the angles in the rhombus. How are opposite angles related? How are adjacent angles related?[br][br]2. EFGH is a rectangle. Drag E or F to adjust one side of the rectangle. G will adjust the other. How are opposite angles related?[br][br]3. IJKL is a square. Drag J and I to change the square. [br][br]Challenge: Can you make the rhombus and rectangle into a square? What do you need to do to each for this to happen?