The surface area of sphere T is 452.16 units squared. The surface area of sphere X is 1,808.64 units squared. How many times larger is the radius of sphere X than the radius of sphere T?
A) 2
B) 3
C) 4
D) 5
Ratio =
square root [ 1,808.64 / 452.16 ] = square root [ 4 ] = 2
+252 
