Answer:  A.) The area of the base is 16 pi cm²,
B.) The number of cubic centimeters is 112 pi cmÂł
C.)  The volume is  351.68 cm³
Step-by-step explanation:
Area is πr², 4 squared is 16.
V = bh
Multiply the area of the base by the height
16Ď€ Ă— 7 = 112pi