George is given two circles, circle o and circle x, as shown. if he wants to
prove that the two circles are similar, what would be the correct fourth step in
his proof?
given: the radius of circle ois r, and the radius of circle
prove: circle o is similar to circle x.
1.c = 2x7 and c = 251' by the definition of circumference.
2.
= 33%, and
by the division property of equality.
3. d = 2r and d = 21 by the definition of diameter.
5.
and
by the substitution property.
6. circle ois similar to circle x because all the linear dimensions are in the
same proportion