Question

Point O is the center of dilation. Triangle D E F is dilated to create smaller triangle D prime E prime F prime. The length of O F prime is 3. The length of F prime F is 7.

What is the scale factor of the dilation of triangle DEF?

Three-tenths
Three-sevenths
Seven-thirds
7

Answer 1

A. 3/10

Step-by-step explanation:

Answer 2

I think I remember it being three-tenths because I did it in class