# Investigating Rectangles

- Author:
- ctmathnut

- Topic:
- Rectangle

Look at rectangle ABDC below. You can adjust the rectangle by dragging points A and B. Interact with the diagram to answer the following questions.
1. What do you notice about the opposite sides of a rectangle - are they congruent? Based on this, is a rectangle a parallelogram?
2. What do you notice about the diagonals of a rectangle?
3. Why are the four pieces formed by the diagonals of a rectangle intersecting all congruent?
4. What do you notice about the angles of a rectangle?