The height of a cylinder whose radius is 7 cm and the total surface area is 968 cm2 is:
A. 15 cm
B. 17 cm
C. 19 cm
D. 21 cm
Answer:A
The height of a cylinder whose radius is 7 cm and the total surface area is 968 cm2 is:
A. 15 cm B. 17 cm C. 19 cm D. 21 cm
Explanation: Total surface area = 2πr (h + r)