To prove that all circles are similar, you would use similarity

Answer

Step-by-step explanation:

Two figures are similar are one of them can be obtained from the other with some transformations (reflections, translations, rotations, dilations . The circle is defined by only one length - the radius.

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.

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step-by-step explanation: