Question

11.

A circle with a radius of 6 cm is enlarged to be a circle with a radius of 15 cm. What scale
factor was used to dilate the small circle into becoming the larger circle?
a) 0.4
b) 4.5
C) 2.5
d) 9.0

Answer 1

I think the answer is A :)

Answer 2

I believe the answer is B) 4.5