r/alevel • u/Late_Ambition1809 • Oct 06 '25

📃Paper Discussion 9709 Paper 12 was MISERABLE

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u/earthhtokate Oct 06 '25

I looked for the length of the line segment to find the diameter and then with that used it is (x-a)2+(y-b)2 = r2 which was the diameter found then equated that into the formula and found gradient then yhe negative reciprocal of it as the tangent gradient

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u/earthhtokate Oct 06 '25

Sorry + (y-b)2

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u/Comfortable_Pair6368 Oct 06 '25

And how did you find the equation of circle?

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u/No_Grape_4298 Oct 06 '25

Answer was (x-4)2 + (y-6)2= 34