D.THE FORMULA FOR THE AREA OF A CIRCLE IS , SO THE RADIUS OF THE C...
63. d.The formula for the area of a circle is , so the radius of the circle must be found in order toA r
2
use the formula. Statement (1) gives you the radius. Using statement (2), the formula can be found bythe fact that the circumference is ×the diameter. If the diameter is 12, then the radius is 6. Stop; youdo not actually need to compute the area. Either statement can be used to solve the problem.