# Rectangle in Action!

- Author:
- Laura Sorrentino, Tim Brzezinski

Slide the slider slowly in the applet below. Be sure to repeat this process a few times, making sure to change the locations of the rectangle's 3 pink vertices each time before re-sliding the slider.
Then complete the tasks posted below.

What properties of a parallelogram are also true of a rectangle? Check all that apply.

What two NEW properties are unique only to a rectangle and not to other parallelograms? So, what makes a rectangle special?

Are the angles of the rectangle bisected by the diagonals? Explain your answer.

Do the diagonals of a rectangle intersect at 90˚? Explain your answer.