The perimeter of the rectangle shown is 76 cm. It is rotated about line b. A rectangle with a perimeter of 76 centimeters is shown. The rectangle is rotated about line b at a side with length 24 centimeters. Which best describes the resulting three-dimensional figure? a cone with a base radius of 26 cm a cone with a base radius of 14 cm a cylinder with a base radius of 26 cm a cylinder with a base radius of 14 cm.