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  1. E

    Preliminary mathematics marathon

    another question
  2. E

    Preliminary mathematics marathon

    Re: new question thx i get it now thank you very much :party:
  3. E

    Preliminary mathematics marathon

    Re: new question thx then im just wondering if "SAS" is one of the notations for congruent triangles proofs used in Cambridge
  4. E

    Preliminary mathematics marathon

    Re: new question thx it is "ratio of 2 sides and included angle", isn't it? :P
  5. E

    Preliminary mathematics marathon

    Re: new question thx SAS is the condition for congruent triangles, but not similar triangles. @@
  6. E

    Preliminary mathematics marathon

    new question thx
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