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GeoGebra
GeoGebra Classroom
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Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
綱要
Introduction to Geometry
Planes and Lines
Angles
Parallel Lines
Triangles
Constructions
Introduction to Geometry
作者：
pchou
,
GreenMaths
主題：
幾何
Simple applets useful for introducing Geometry to first year students.
目錄
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
Constructions
Construction - Divide a line segment into equal parts
下一步
Planes, lines etc
最新資源
Sum of Squares: Proof without Words
seo tool
အခြေခံ data အခေါ်အဝေါ်များ
Classifying Triangles
Fractal Tétraèdre. Dilatation -1/2 centre triangles
探索資源
Number Bonds
Pascal's theorem
คิดเลขเร็ว
Increasing or decreasing
Designing an Open Box
探索主題
作圖
減法
橢圓
三角形
正切線或正切
