Geometric Inequalities

Links and useful resources

• gr10's Geometry >>>START HERE<<<
• AoPS Online Textbook
• AoPS Alcumus
• Big Ideas Geometry textbook
• GeoGebra Online Geometry Constuction Tool
• Two-column math templates
• Proofs unit slides from mathgiraffe.com
• Proofs unit printables for two-column proofs

Concept summary and connections

• relation of angles to side lengths of triangles

Lesson and worked examples

Media resources

• Youtube search for "relation of angles to side lengths of triangles"

Guided practice

• In triangle BAC, median AM is longer than half BC. Prove that angle BAC is acute.

Homework

• #hw (geom-gr10) 10.1 Sides and Angles of a Triangle (p. 266) (gr10) 2025-01-24