A cylinder with radius r and height h is closed on the top and bottom. Which of the following expressions represents the total surface area of this cylinder?(a) 2πr (r+h)(b) πr (r+2h)(c) πr+(2r+h)(d) 2πr2+h

A cylinder with radius r and height h is closed on the top and bottom

1.	A cylinder with radius r and height h is closed on the top and bottom. Which of the following expressions represents the total surface area of this cylinder?(a) 2πr (r+h)(b) πr (r+2h)(c) πr+(2r+h)(d) 2πr2+h
Answer» A cylinder with radius r and height h is closed on the top and bottom. Which of the following expressions represents the total surface area of this cylinder? (a) $2 πr (r + h)$ (b) $πr (r + 2 h)$ (c) $πr + (2 r + h)$ (d) $2 {πr}^{2} + h$