?

SAT® Math

Free Version

Upgrade subject to access all content

Easy

Diameter vs. Radius

SATMAT-PI0YTN

The radius of circle $E$ is four times the diameter of circle $F$.

What is the ratio of the diameter of circle $E$ to the radius of circle $F$?

(No Calculator)

A

$ 1:4 $

B

$ 4:1 $

C

$ 8:1 $

D

$ 16:1 $