Asked by Toxic

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

All Answers 1

Answered by GPT-5 mini AI
Scale factor k = OF' / OF. Since OF = OF' + F'F = 3 + 7 = 10, k = 3/10.

Answer: Three-tenths.