台灣黑皮歐巴桑的學習祕笈

中英文版(國二數學) 內角與外角：多邊形的內角和與外角和定理

國中_數學_15-1-3 多邊形的內角和與外角和定理- 
https://www.youtube.com/watch?v=LUcQI4zE2KY
https://www.youtube.com/watch?v=o2lqqo8vGJw 
https://www.youtube.com/watch?v=prxA975Fx5A

國中_數學_三角形基本性質_n邊形外角和定理
https://www.youtube.com/watch?v=Svs81pXHWXQ

國中_數學_三角形基本性質_n邊形內角和定理
https://www.youtube.com/watch?v=8MShtoS9PeQ

國中_數學_三角形基本性質_n邊形內角和與外角和定理_練習
https://www.youtube.com/watch?v=FTwGLuNDis4

國中_數學_三角形基本性質_正n邊形的內角與外角
https://www.youtube.com/watch?v=3rsZoTGQh9I

多邊形的內角和與外角和 ( 國家教育研究院94年製作
https://www.youtube.com/watch?v=PGbbLzlqwrY

How to Find the Sum of Interior Angles of a Polygon
https://www.youtube.com/watch?v=G44lR8yR3Vk

Sum of interior angles of a polygon | Angles and intersecting lines | Geometry | Khan Academy
https://www.youtube.com/watch?v=qG3HnRccrQU

Interior and Exterior angles of polygons
https://www.youtube.com/watch?v=BG1HpadfiKw

How do you find the measure of one interior angle of a polygon
https://www.youtube.com/watch?v=B-yizckfOzY

Remote Interior Angles
https://www.youtube.com/watch?v=3roTCMW4_u4

GCSE Maths - Angles Interior and Exterior Angles
https://www.youtube.com/watch?v=uk8SC101glY

Angles in polygons- exterior angles
https://www.youtube.com/watch?v=-Rw3DSDfkwA

How to find the measure of one exterior angle of a regular polygon
https://www.youtube.com/watch?v=HBSGRBxweUo

Finding an Exterior Angle in a Polygon
https://www.youtube.com/watch?v=80LA3zcmabY

Sum of the exterior angles of convex polygon | Geometry | Khan Academy
https://www.youtube.com/watch?v=W9B3VYdC5T8

interior and exterior angles of polygons
https://www.youtube.com/watch?v=10Mi5gvWEXk

Angles in Polygons
https://www.youtube.com/watch?v=GEMzDapeg14

部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=36#focus