Question

Circle A has a center of (3, 4) and a radius of 5. Circle C has a center of (0, −1) and a radius of 2. Prove that the two circles are similar.

Answer 1

@texaschic101 @mathmale @RadEn @AccessDenied

Answer 2

ummm...aren't all circles similar to all other circles?

Answer 3

They are, but I need a way to prove it...

Answer 4

prove that the second circle can be obtained by dilating the first circle by some scale factor

Answer 5

lol...so the reason they gave you centers and radii was just to confuse people?

Answer 6

I don't know how to do that, @rational

Answer 7

i suppose you can set up a triangle in each and show that the sides are in the same proportion

Answer 8

scroll down to the last :

http://openstudy.com/users/Compassionate#/updates/5359dd3ee4b0fb65c3cae9bb

Answer 9

take the center point of each circle and find the point directly up and directly to the right of the centers

Answer 10

then find the distances from the centers to those points...show that the distances are in the same proportion