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Synthetic Geometry

Synthetic Geometry

These videos are designed for both the Higher and Ordinary Level Mathematics courses, except the one with an asterisk, which is only designed for the Higher Level Mathematics course.

Lines and Angles Part 1

Lines and Angles Part 2

Axioms

Theorem Terms

Lines, Triangles and Polygons Part 1

Lines, Triangles and Polygons Part 2

Lines, Triangles and Polygons Part 3

Congruent Triangles

Triangle Angle and Inequality Theorems Part 1

Triangle Angle and Inequality Theorems Part 2

Parallel Lines and Triangles Theorems

Similar Triangles

Pythagoras' Theorem and Area of a Triangle

Circle Properties Part 1

Circle Properties Part 2

Circle Properties Part 3

Mini Proofs Part 1

Mini Proofs Part 2

Mini Proofs Part 3

Mini Proofs Part 4

Proof by Contradiction *

Contact the Maths Support Centre

James Joyce Library, University College Dublin, Belfield, Dublin 4, Ireland.
T: +353 1 716 7536 | E: msc@ucd.ie