Circle Geometry Course
Dive into circle geometry using robust theorems, clever angle-chasing, and smart constructions. Tailored for maths experts, this course equips you to handle intricate problems confidently in research, education, and competitions, boosting your geometric prowess significantly.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course provides a streamlined route to mastering circle basics like definitions, chords, arcs, and angles, advancing to tangents, secants, and power of a point. Learners will hone angle-chasing skills, draw key auxiliary lines, utilise Ptolemy’s theorem, and employ inversion, homothety, and coordinate methods to tackle tough contest problems effectively.
Elevify advantages
Develop skills
- Master core circle theorems for quick calculations with power, chords, and tangents.
- Perform sophisticated angle-chasing with inscribed, tangent, and secant techniques.
- Leverage cyclic quadrilaterals and Ptolemy’s theorem on contest-level problems.
- Employ inversion, homothety, and symmetry to tackle intricate circle configurations.
- Integrate algebra into geometry by assigning variables and solving circle equations.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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