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GeoGebra
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Outline
Problem Pictures
2D
3D
Compass and Straightedge
Problem Pictures
Author:
Linda Fahlberg-Stojanovska
This is a book with Problem Pictures, i.e. ggb files to use as screenshots for problems for grades 4-9.
Table of Contents
2D
Polyline, Polygon, Both or Neither
Polygon on a Grid
Polygons and Points
Basic Elements of a Circle
Congruent triangles: SSS
Angle Bisector
Congruent triangles: SAS-2
Perimeter of Open PolyLine 4
Perimeter of a Quadrilateral
3D
Plane and 3 points - Demo
PP: Intersection of 2 Planes C
Relative Position of a Line and a Plane
Plane with Point - Sketch
Compass and Straightedge
Construction: Angle Bisector and Intersection
Next
Polyline, Polygon, Both or Neither
New Resources
bewijs stelling van Pythagoras
Congruent Figures
Pythagorean Theorem: Quick Illustrator
Congruent Sides & Angles in △s: Exploration
Slope Illustrator (2)
Discover Resources
Pendulum (Tension in a pendulum rod)
Pythagoras with scissors
Triangle Midsegment Action!
Extra Credit
Methods of Proving Triangles are congruent by Herholdt Bezuidenhout,
Discover Topics
Planes
Rational Numbers
Vectors 2D (Two-Dimensional)
Arithmetic Operations
Matrices
