As you move the points what do you notice about segments i and k?[br]
From the first image, segments i and k are parallel and are called the bases of the trapezoid. Segments h and j are called the legs.
The area of a trapezoid can be found by multiplying the the average of the bases by the height. [br](Remember the bases are the segments that are parallel.) [br][br][math]Area=\frac{a+b}{2}\times h[/math]
Using Image 2 find the area of that trapezoid.
The median, or mid-segment, is a line segment between the two bases.[br][br]The length of the median is the average of the two base lengths: [br][br][math]median=\frac{a+b}{2}[/math]
Use Image 3 for your work. Moving points A, B, C and D create 3 different trapezoids and find [b]m[/b] for all of them. On a separate piece of paper find the 3 different medians and turn them in before class ends.