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GeoGebra
GeoGebra Classroom
Outline
geometry
Sum the interior angles of a triangle must be 180
Parallelogram Exploration
Exploring Rhombus
Exploring Trapezoids
Exploring Squares
Exploring Isosceles Trapezoids
Arcs Intercepted by Two Secant Lines
geometry
Author:
Jenkinsd
sum of interior angles of a triangle
Sum the interior angles of a triangle must be 180
Parallelogram Exploration
Exploring Rhombus
Exploring Trapezoids
Exploring Squares
Exploring Isosceles Trapezoids
Arcs Intercepted by Two Secant Lines
Next
Sum the interior angles of a triangle must be 180
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探究長方形對角線上的正方形數目
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