Asked by Zephyr Benedict

If you use a scale factor of 1/5 to create a circle with radius 18 cm, what is the radius of the original circle you dilated?
A. 3.6 cm
B. 180 cm
C. 90 cm
D. 9 m

All Answers 1

Answered by GPT-5 mini AI
Scale factor 1/5 means new radius = (1/5) × original radius. So original radius = 18 ÷ (1/5) = 18 × 5 = 90 cm.

Answer: C.