Opposite Sides of Parallelograms

Opposite Sides of Parallelograms

Sides in a parallelogram are considered opposite if they do not intersect.

Record the measures of segment AB and segment CD below, what do you notice about their measures?

Move point A, point B, or point C. Record the new measures of segment AB and segment CD below, what do you notice about their measures?

Record the measures of segment BD and segment CA below, what do you notice about their measures?

Move point A, point B, or point C. Record the new measures of segment BD and segment CA below, what do you notice about their measures?

What can you conclude about the measures of the opposite sides of a parallelogram?