Question

Circle A has a radius of 3 inches, and circle B has a radius of 7 inches. Prove that the two circles are similar.

Answer 1

All circles are similar.

Answer 2

they have similar ratios: C/d right?

Answer 3

and yeah, the obvious is all circles are similar ;)

Answer 4

i believe so @amistre64

Answer 5

okay thank you all :)

Answer 6

take your definition of similar, im sure it involves ratios, and use pi=C/d as the common ratio

Answer 7

okay got it

Answer 8

It has already been explained by Amistre64 but I will also like you to have a look at the following link , it has very interesting things which are related to your question : http://www.jamestanton.com/wp-content/uploads/2012/03/Curriculum-Newsletter_January-2013.pdf

Good Luck!

Answer 9

okay thanks yall