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# Vectors and similar triangles question

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1. (Original post by petrus123)
So that is everything needed? Yes, I know the angles stay the same (that was the basis of my first drawing; it was just unclear).

Thanks so much for helping! Good luck with Maths at Loughborough. It sounds fun!

I'm not quite as **** at maths as this post makes me look (I hope!) - I got an A in AddMaths and in the top few percent in the first round of a UK competition; I just didn't know what the question wanted and missed a couple of things...

Thanks again!
Yep that's all that is needed. With your equations with x and y it proves perpendicularity which is what the questions wants, along with the similar triangles which have been included.
2. (Original post by RDKGames)
Yep that's all that is needed. With your equations with x and y it proves perpendicularity which is what the questions wants, along with the similar triangles which have been included.
Great, thanks! That took me way too long, but that's not what matters. I owe you one.

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