## Geometry

Geometry - The Basics

The 5 Axioms

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The following gives a list of all Theorems, Axioms, Corollaries required for Junior and Leaving Certificate Exams:

The following gives a list of all Constructions required for Junior and Leaving Certificate Exams:

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Theorems 11, 12, 13

(Note - See Junior Certificate Geometry for theorems 4, 6, 9, 14, 19)

Theorem 11

(Dividing transversals equally)

Theorem 12

(Triangle - proportional sections of sides)

Theorem 13

(Triangles - proportional sides)

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Transformational Geometry

Translations, Central Symmetry, Axial Symmetry, Rotational Symmetry

Enlargements

Enlargment of a triangle