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triangles ABC, ACD and BCD are right triangles, E is the midpoint of segment AB.

If AB = 20cm, find CE.

I'm having a hard time understanding these relationships between the sides of right triangles. Help again

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    You posted an analogous question earlier today: http://math.stackexchange.com/questions/153070/how-to-find-the-length-of-a-right-triangle Did that answer not make sense?2012-06-02
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    It helped yes, but I tried to follow similar format and can't come up with the answer.2012-06-02
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    In its current form, $D$ and the triangles $ACD$ and $BCD$ seem redundant, and we do not have enough information to solve the problem.2012-06-03
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    Is there some sort of convention about where the right angle is when you write triangles with their vertices? Or is this intentionally ambiguous?2012-06-03

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