411 REFERENCE · Wikibooks
Geometry for Elementary School/Print version
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
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Geometry for Elementary School
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Introduction
Ruler and Compass
Points
Lines
Angles
Plane shapes
Constructing an Equilateral Triangle
Copying a Line Segment
Constructing a Triangle
Why the Constructions are not Correct
Congruence
Side-Side-Side Congruence Theorem
Copying a Triangle
Copying an Angle
Bisecting an Angle
Side-Angle-Side Congruence Theorem
Angle-Side-Angle Congruence Theorem
Bisecting a Segment
Some Impossible Constructions
Pythagorean Theorem
Parallel Lines
Symmetry
A Proof of Irrationality
Fractals
What's Next?
Notation