The total surface area of a solid cylinder is 1155 cm2. Its curved surface area is two-fifth of its total surface area. What is the height (in cm) of the cylinder?

The total surface area of a solid cylinder is 1155 cm2. Its curved sur

1.	The total surface area of a solid cylinder is 1155 cm2. Its curved surface area is two-fifth of its total surface area. What is the height (in cm) of the cylinder?
A.	6
B.	5
C.	7
D.	10.5
Answer» D. 10.5