If the diameter of the following circle is tripled, which of the following expressions could be used to find the area of the new circle? 9(254.34 in.2)
3(254.34 in.2)
9(1,017.36 in.2)
3(113.04 in.2)

2.The area of a triangle that is similar to the one below is the area of this triangle. What is the length of the base of the similar triangle?

2.3 ft
3.3 ft
7 ft
63 ft