| 18. | Captain Howard had his crew paint the smokestack on his ship the Sea Snail. The smokestack is shaped like a cylinder and is 36 feet 4 inches tall. The radius of the smokestack's base is six feet. What is the surface area of the smokestack?
|
| | 19. | Mr. Bloop has a cylindrical water tank on his farm. It is eleven feet long and 2 feet 6 inches in diameter. Water flows out a valve in the bottom of the tank at a rate of2.1cubic feet per minute. At that rate, how long will it take to empty the tank when the tank is full?
|
|