All Junior Cert Mathematics posts
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    theroms MShelly

    what theroms do you need to know (hl) :) :)

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      theorem of pythagoras, circle theorem, parallelogram theorem, angles in a triangle add up to 180 and an exterior angle is equal to the 2 opposite interior angles

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      thank you:)

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      +1 to the above as regards theorem *proofs* that are examinable.

      Check page 18 of the syllabus:

      Theorems: [Formal proofs are not examinable at OL. Formal proofs of theorems 4, 6, 9, 14 and 19 are examinable at HL.]

      But don't forget there are 19 geometry theorems in total, plus corollaries, that you need to understand and be able to apply.

      See syllabus for the list.

      Eamonn -

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