When the radius of a circle is tripled, how are the area and circumference of the circle affected?
Answer Choices
A. The area is 9 times as large and the circumference is 3 times as large.
B. The area is 3 times as large and the circumference is 9 times as large.
C. The area is 3 times as large and the circumference is 6 times as large.
D. The area is 6 times as large and the circumference is 3 times as large.
E. The area is 3 times as large and the circumference is 3 times as large.