how do you find the scale factor of two circles
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The two scale factors are reciprocals of one another.
3
2
To find the scale factor, you need to compare the corresponding sides of two similar figures. The scale factor is calculated by dividing the length of a side on the larger figure by the length of the corresponding side on the smaller figure. For example, if the larger figure has a side length of 8 units and the corresponding side on the smaller figure is 2 units, the scale factor would be 8 divided by 2, which equals 4.
A circle is a plane figure. A 'circular' solid figure would be a sphere.