Question

Circle A has center of (−2, 4) and a radius of 4, and circle B has a center of (3, 9) and a radius of 8. What steps will help show that circle A is similar to circle B?

Translate circle A using the rule (x−5, y−5).

Dilate circle A by a scale factor of 2.

Reflect circle A over the x-axis.

Rotate circle A 90° clockwise about the center.

Answer 1

@zepdrix @iambatman

Answer 2

@mathmale

Answer 3

I think it it dilate the cricle by a scale factor of two.

Answer 4

@abb0t

Answer 5

@wio

Answer 6

@thomaster

Answer 7

i think its dilate too.
dilating the smaller circcle by 2 would give you the same size as the bigger circle

Answer 8

Thank you!

Answer 9

It's translated, then dilated to my knowledge.