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Mathematics 9 Online
OpenStudy (anonymous):

I need help with this question...

OpenStudy (anonymous):

Prove that the two circles shown below are similar.

OpenStudy (anonymous):

i keep seeing these and am totally confused aren't all circles similar?

OpenStudy (anonymous):

|dw:1440510136349:dw| notice that E was moved to C so now we have a dilation of \[\huge \frac{ r_1 }{ r_2 }\] which gives the scale factor.

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