Use Desmos graphing calculator and plug in the different equations.
Trapezoid
it has four sides and 1 set of parallel lines
A=1/3h(b1-b2). So h=3/(b1-b2)
The tay would move to the left because that is a less than sign . positive goes to the right and negative goes to the left . thing of the less sign like a L bc it looks like one .
