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Is Terry Lee right? (2 Viewers)

we_rhere

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It annoys me when I overthink a question in Harder 3u and then get the wrong answer cos the proof wasnt right or as per standard so I stick to procedures that I have learnt properly.
 

aDimitri

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when i did this question i was unaware it was a theorem but instead explain that it is parallel because the midpoints will be vertically half way between the ends of the intercepts...
 

Feynman

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This is a year 10 theorem, or at least I learnt it from the signpost maths textbook
 

enigma_1

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That is a legit theorem (I remember learning it in 2 unit maths).
If you have the Year 12 Pender book, you can find that theorem in there as well (page 332, of my copy at least).
This is a year 10 theorem, or at least I learnt it from the signpost maths textbook
whaat 2 unit?

I've never seen this theorem :/
 

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