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Google Classroom
谷歌课堂
GeoGebra
GeoGebra 教室
概述
Introduction to Geometry
Planes and Lines
Angles
Parallel Lines
Triangles
Constructions
Introduction to Geometry
作者:
GreenMaths
主题:
角
,
几何
,
直线
,
平面
Simple applets useful for introducing Geometry to first year students.
内容目录
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
下一页
Planes, lines etc
新资源
巧算長方形周界
Open Education 2026
Circumference of a unit circle
General Polar Equation of Conics with Rotation (1)
apec
发现资源
Displaying transformations defined by formulas
table 1
Task 2 with Circle Unit
The Difference Equation - task
Sombra y Penumbra
发现主题
算术
三角函数
面积
抛物线
梯形
