Mathematics Problem(June 2014 WJEC GCSE) Watch

utah
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Problem from June 2014 WJEC GCSE maths paper.
Any suggestions?
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Smaug123
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(Original post by utah)

Problem from June 2014 WJEC GCSE maths paper.
Any suggestions?
Personally, I'd use the intersecting chords theorem.
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TeeEm
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(Original post by utah)

Problem from June 2014 WJEC GCSE maths paper.
Any suggestions?
it is just pythagoras!
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utah
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(Original post by TeeEm)
it is just pythagoras!
How?
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TeeEm
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(Original post by utah)
How?
10.42+(r-1.5)2 = r2

can you see it?
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Smaug123
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(Original post by TeeEm)
it is just pythagoras!
A much nicer solution than mine.
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utah
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(Original post by TeeEm)
10.42+(r-1.5)2 = r2

can you see it?
I can indeed!
Thank you.
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TeeEm
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(Original post by Smaug123)
A much nicer solution than mine.
hard to see ...

I dealt with practically the same question on a IGCSE paper about 3 weeks ago.
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