In this worksheet there two polygons; a rectangle and a parallelogram. Use the polygons to complete the investigation below.

Investigation:[br]1) Change the height of the rectangle (h) by moving point C. What happens to the height of the parallelogram? [br]2) Change the width of the rectangle by moving point L. What happens to the parallelogram? [br]3) Find the area of 3 different rectangles and compare the area of each rectangle to the area of the corresponding parallelogram.[br]4) What conjecture can you make about the formula for area of a parallelogram and why? (use the answer to question 3 to guide you)