What is the volume and surface area of this shape?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .