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I don't like making assumptions that aren't necessarily true. It's an impossible question IMO (unless it was corrected or some uni maths can solve it)

This ^.

Ok cool so you agree with me, excellent.

This probably should be moved to 3U subforums :/

3u

Hey. So I am stuck on this question because the answers say the first step is that OC bisects AB because they are perpendicular but how do you know that they are perpendicular, as it isn't given? Thanks

Re: HSC 2013 3U Marathon Thread :(