What is the length of the base of a yield sign that has a height of 14 inches and has an area of 84 square inches?
12 in
8 in
4 in
2 in

If you had asked for the base measure of an equilateral triangle that has a given height and area, you would have a question that could be answered.But Without knowing the radius of the curvature of the rounded vertices, your question cannot be answered. 

e^s (pie) + 1 = 0