Geometry topics
Did you know?
“Geo” means “Earth” and “Metron” means “Measure,” so “Geometry” literally means measuring the earth
Basics in Geometry
Triangle inequality
Pythagorean Theorem
& various proofs
Special triangles
Law of Sines & Law of Cosines
Concepts
Triangles
Areas of a triangle
The angle bisector
Ceva’s theorem
Circles
Power of a point
Tangent and chord principles
Special Article — FRACTALS!
Transformations
Rotation, reflection, translation, dilation
“The laws of nature are but the mathematical thoughts of God.”
— Euclid, The Elements
Practice
Many resources helped me as I was learning fundamental geometry concepts. I strongly recommend Brian McLogan’s geometry channel on YouTube as well as books like Geometry: A Self-Teaching Guide by Steve Slavin and Geometry: Euclid and Beyond by Robin Hartshone.
