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Outline
Euclidean Geometry
Proofs: the basics
Segments, lines and angles
Triangles
Polygons
Areas
Misc.
Euclidean Geometry
Author:
Simona Riva
Topic:
Geometry
Collection of Euclidean Geometry worksheets.
Table of Contents
Proofs: the basics
The (mathematical) logic behind the scenes - Lesson+Exploration+Practice
Counterexamples - Lesson+Exploration
Napoleon's Theorem - Defining Hypotheses and Thesis - Lesson+Exploration
Segments, lines and angles
Relative Positions of Two Lines in the Plane - Lesson+Exploration+Practice
Angles Between Two Lines and a Transversal - Lesson+Exploration+Practice
Triangles
Special Points of Triangles - Lesson+Exploration+Practice
Construction of a triangle, given a side and two angles - Lesson
Pythagorean Theorem - a "proof without words"
Golden Triangle and Spiral - Lesson
Dissections - Haberdasher's puzzle
Polygons
Convex, Concave and Self-Intersecting Polygons - Lesson+Exploration+Practice
Exploring rotational symmetry of regular polygons - Lesson+Exploration+Practice
Rotational symmetry and lines of symmetry of a regular polygon - Lesson+Exploration+Practice
Areas
Triangle Area = (b ∙ h)/2 Why? Visual proof (1)
Triangle Area = (b ∙ h)/2 Why? Visual proof (2)
Pythagoras, semicircles and lunes - Lesson+Exploration
Misc.
Kaleidoscope
Ruotiamo...
Next
The (mathematical) logic behind the scenes - Lesson+Exploration+Practice
New Resources
Parallel or Not? (V2)
Cross Product in 2D and 3D
Rotating Points (Optical Illusion)
"Compressed" Astroid as Envelope
cylinder net slider
Discover Resources
Properties of Triangles (v2)
Chords intersecting outside the circle
Period.McBurnie.Roam.Second.EulerSegment
lab 12
เศษส่วน
Discover Topics
Rectangle
Geometric Mean
Difference and Slope
Symmetry
Expected Value