Observe and find out the properties of parallelogram.
Observe and find out the properties of parallelogram.
What do you notice about the opposite sides of a parallelogram #1?
What do you notice about the opposite angles of a parallelogram #2?
What do you notice about the consecutive angles of a parallelogram #2?
What is special about point E in parallelogram #3? [br]What does this tell you about the diagonals?