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Outline
Protractor-usage
角
三角形
多邊形
Protractor-usage
Author:
Ronan Downes
,
Alex CHIK
GeoGebra 互動數學教室
http://www.geogebra.hk
Table of Contents
角
Measurement & Classification of Angles 角的量度和分類
Addition of Angles 角的相加
三角形
Classification of Triangles 三角形的分類
Interior & Exterior Angles of Triangles 三角形內角和及外角
Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角：測驗
Viviani's Theorem
尋找等腰三角形 Isosceles Triangle Hunt
多邊形
Sum of Interior Angles of Polygons 多邊形內角和
Sum of Exterior Angles of Polygons 多邊形外角和
Regular Star Polygon
Next
Measurement & Classification of Angles 角的量度和分類
New Resources
小数 的副本
柱體建築師
錐體建築師
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
相似圖形基本概念
Quiz on Angle between a Line and a Plane 線面角：測驗
圓錐截痕
橢圓規Ellipsograph (Trammel of Archimedes)
分数的乘法
Discover Topics
Volume
Tree Diagrams
Statistics
Area
Arithmetic
