If you use a scale factor of 1/5 to create a circle with radius 18 cm, what is the radius of the onginal circle you dilated? (1 point) 90 cm 3.6 cm 180 cm 9m, pick one of my answers
The radius of the original circle can be found by multiplying the scale factor by the radius of the dilated circle.
Using a scale factor of 1/5 and a radius of 18 cm, the radius of the original circle would be:
(1/5) * 18 cm = 3.6 cm
Therefore, the correct answer is 3.6 cm.