We have a lot of encounters where we are forced to apply our knowledge in geometry, plane figures and especially quadrilaterals. First, we need to know the types of quadrilaterals, it differences, and the corresponding equations. One real world problem is when we are asked to make a kite for our younger sibling and he or she specified the dimensions.
It would be a 50/50 chance, because there is only two different things it could land on, and for each there is a 50% chance for it to land on that side so.