Circle Geometry Course
Gain expertise in circle geometry through key theorems, smart angle-chasing, and clever constructions. This course equips maths experts to handle intricate problems assuredly in research, teaching, and competitions, building strong problem-solving prowess for real-world applications.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course offers a quick, targeted journey to master circle basics like definitions, chords, arcs, and angles, advancing to tangents, secants, and power of a point. Learners will hone angle-chasing skills, draw helpful auxiliary lines, use Ptolemy’s theorem, and apply inversion, homothety, plus coordinate methods to tackle tough contest problems confidently.
Elevify advantages
Develop skills
- Master circle theorems: use power, chords, tangents for quick length calculations.
- Excel in advanced angle-chasing: merge inscribed, tangent, secant angle rules.
- Leverage cyclic quadrilaterals and Ptolemy’s theorem for contest geometry challenges.
- Employ inversion, homothety, symmetry to ease complex circle diagrams.
- Integrate algebra with geometry: assign variables, form equations, solve circle systems.
Suggested summary
Before starting, you can change the chapters and 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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