6.1.4 Classwork

Figures A, B, and C are parallelograms. Figures D, E, and F are not parallelograms. Study the examples and non-examples.
What do you notice about the number of sides that a parallelogram has?
Pause for now!


Find the area of this parallelogram on the left. Explain your reasoning.
Change the parallelogram by dragging the green points at its vertices. Then find its area and explain your reasoning.
