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This month: Stage 1&2Stage 2&3Stage 3&4Stage 4&5switch to US educational language

Partly Circles

Problem | Teachers' Notes | Hint | Solution | Printable page |
Stage: 4 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Firstly:




Secondly:




Thirdly:




Circle theorems. Circles. Long problems. smartphone. Pythagoras' theorem. Similar triangles. Golden ratio. Mathematical reasoning & proof. Quadratic equations. Area.

Published January 2009.

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