Investigation:
1) Move point D so that the triangle is a right triangle, then move the Hint slider, describe the end result.
2) Move point D to make an obtuse triangle and move the Hint slider, describe the end result. (perform this task for an acute triangle as well)
3) What conjecture can you make about the formula for area of a triangle? Test this conjecture with 5 different base and height combinations and record your results.