March 3rd, 2009, 06:40 AM  #1 
Newbie Joined: Mar 2009 Posts: 4 Thanks: 0  Circle Problem
Q> What is the length of the common chord of two circles of radii 15cm and 20cm, whose centres are 25cm apart ?? Please provide an explanation for this problem. 
March 3rd, 2009, 07:35 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,469 Thanks: 2038 
Have you made a diagram? Notice a triangle with sides 15cm, 20cm, and 25cm long? What is that triangle's area?

March 3rd, 2009, 10:01 PM  #3 
Newbie Joined: Mar 2009 Posts: 4 Thanks: 0  Re: Circle Problem
@ skipjack Yes I got ur point. Thanks a lot. 

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