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[br]\text{Internal radius} = r_0\\[br]\text{External radius} =r_i \text{ angle} =\theta_i\\[br]\text{where i=1 for end closest to midline of whole arc, and 2 for end furthest from midline}[br]
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrong71
Last reply 1 day ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrong71