10
QuizMultiple Choice
Three-Dimensional Figures and Cross Sections
Question 10 • KY-Geometry B-CR
The equilateral triangle shown is rotated about line a. Each side of the triangle measures 20 mm.
Answer
A
a cylinder with a circumference of about 63 mmB
a cylinder with a circumference of about 126 mmC
a cone with a base circumference of about 63 mmD
a cone with a base circumference of about 126 mm