[size=150][size=200]The [b]midsegment [/b]connects the midpoints of the legs of a trapezoid. [/size][/size]
What do you notice about the slope of the bases and the slope of the midsegment? Move the vertices of the trapezoid to verify your conjecture.
What do you notice about the relationship between the [u]sum[/u] of the bases (CD + AB) and the length of the midsegment? Move the vertices of the trapezoid to verify your conjecture.