Learn the conic sections formulas by name, fill in their missing pieces, use them and turn them round.
Skill: Equations of circles
How to play
- Levels 1 to 10: match each formula with its name.
- Levels 11 to 20: fill in the missing number or sign.
- Levels 21 to 45: work out a value, then find another quantity from the result.
- Levels 46 to 50: everything, with neighbouring topics mixed in.
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