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?

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

b) Dilate circle A by a scale factor of 2.

c) Reflect circle A over the x-axis.

d) Rotate circle A 90° clockwise about the center.

Answer 1

@surjithayer @Michele_Laino

Answer 2

hint:
we have the subsequent ratio:

\[\Large \frac{{{\text{radius of circle }}B}}{{{\text{radius of circle }}A}} = \frac{8}{4} = 2\]

Answer 3

so it would be "B"

Answer 4

that's right!

Answer 5

thank you!!!

Answer 6

:)