If the radius of a circle is increased by a factor of x, then the area is increased by what factor?
Answer options with 5 options
A.
x
B.
x squared
C.
2 x
D.
pi
E.
2 pi
Answer options with 5 options
A.
x
B.
x squared
C.
2 x
D.
pi
E.
2 pi