The radius of the original circle is 18cm divided by the scale factor of 15, which is 1.2cm. So the correct answer is:
3.6 cm
If you use a scale factor of 15 to create a circle with radius 18 cm, what is the radius of the original circle you dilated?(1 point)
90 cm
3.6 cm
180 cm
9 m
1 answer
1 answer