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GeoGebra
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Outline
Introduction to Geometry
Planes and Lines
Angles
Parallel Lines
Triangles
Constructions
Introduction to Geometry
Author:
GreenMaths
Topic:
Angles
,
Geometry
,
Straight Lines
,
Planes
Simple applets useful for introducing Geometry to first year students.
Table of Contents
Planes and Lines
Planes, lines etc
Planes, lines etc completed
Angles
Angles as rotations
Straight angles and full circle angles.
Angle Size and Arm Length
Measuring with a protractor
Vertically Opposite Angles 2
To Show That Vertically Opposite Angles Are Equal
Parallel Lines
Showing Alternate Angles
Showing Corresponding Angles
Showing the Sum of Interior Angles
Parallel Lines and Alternate and Corresponding Angles
Non-Parallel Lines and Alternate and Corresponding Angles
More Exercises with Parallel Lines
Triangles
The sum of the angles in a triangle?
Sum of the angles in a triangle
Triangle Exterior Angle Sum Theorem
Isosceles Triangles
Isosceles Triangles
Constructions
Construction - Divide a line segment into equal parts
Next
Planes, lines etc
New Resources
Linear Equation Graphs: Thin Slice
Function Art 3D - Flower
Quadrant Illustrator 2
Pythagorean Theorem: Quick Illustrator
Congruent Figures
Discover Resources
Functions Overview
AQR Quick Question 23.2
Histogram sneeuwdagen
Exponential functions
求点坐标
Discover Topics
Exponent
Volume
Exponential Functions
Percentages
Continuity
