About Course
Learn what the equation x² + y² = r² means, how to read off a circle’s radius and test whether points lie on it, and how to find the equation of a tangent at a given point. Worked examples and common mistakes are included throughout.
This course is for general learning and revision. It is written by Tutwoo and is not produced or endorsed by any exam board. Always check your own exam board’s specification and your teacher’s guidance.
Course Content
Course Lessons
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The circle x² + y² = r²
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Tangents at a point
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Lines meeting circles and common mistakes
Sources & Further Reading
Final Assessment
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