I think, not 100% sure, but I think it is square root (A/4pi)=r
The side opposite the angle 19 degrees is given by 15sin 19 = 4.9 units, while the side adjacent the angle 19 degrees is given by 15cos 19 = 14.2 units.
True
1/2 (up the hill) - 1/2 (down the hill) = 0
Answer:
"The data is discrete, so the graph is a series of unconnected points."
