台灣黑皮歐巴桑的學習祕笈

中英文版(國三上數學)   圓心角、圓周角與弦切角： 圓內角與圓外角

V541 圓內角與圓外角～2 2圓心角、圓周角與弦切角～第五冊第二章～南一版
https://www.youtube.com/watch?v=LKFtQT6ZC7g

V546 最大射角～2 2圓心角、圓周角與弦切角～第五冊第二章～南一版
https://www.youtube.com/watch?v=uQnyoSMd-10

【觀念】圓內角
https://www.youtube.com/watch?v=q69MKGqvY2U

【例題】圓內角：圓內兩三角形
https://www.youtube.com/watch?v=NoY3gP61ptA

【觀念】圓外角
https://www.youtube.com/watch?v=aOPrVLruHxo

圓外角
https://www.youtube.com/watch?v=HrqHJ9UceNI

圓內角
https://www.youtube.com/watch?v=ICOtJvPI_3I

【例題】圓外角：割線、切線交於一點
https://www.youtube.com/watch?v=jVwhhOi2H-c

【例題】圓內角：園內兩相交直線
https://www.youtube.com/watch?v=3xqkBbmmnJA

謝氏數理國中總複習(數學)圓內角和圓外角
https://www.youtube.com/watch?v=oRAha7WWpO4

波提思互動數學教學:圓內角與圓外角的求法
https://www.youtube.com/watch?v=cciEXNP1X64

圓內角與圓外角度數的求法 (Math: Calculate the degrees of the inside and outside angle of circle)
https://www.youtube.com/watch?v=xic7QOtzaqo

interior and exterior angles in circles
https://www.youtube.com/watch?v=zKYGxYpaN2A

Interior and Exterior Angles in Circles - Examples
https://www.youtube.com/watch?v=KR231vMETM8

Angle Relationships with Circles / 10.5
https://www.youtube.com/watch?v=mREojz72pcU

Geometry 10.6 Secants, Tangents, and Angle Measures
https://www.youtube.com/watch?v=irZqtVpom7Q

Circles 4 Interior and Exterior Angles
https://www.youtube.com/watch?v=V66EJg9LxYs

Using exterior angles in a circle
https://www.youtube.com/watch?v=qG5qnqxLyxo

9.2 - Angles Inside and Outside Circles
https://www.youtube.com/watch?v=1gQ2hVXzLXs

Preparing to Prove the Circle Interior Angle Theorem
https://www.youtube.com/watch?v=yHG61WauqME

What are the formulas for the measure of angles outside of a circle
https://www.youtube.com/watch?v=I1AXyTJTZrA

May09Geom PAP Interior & Exterior Angles with Circles
https://www.youtube.com/watch?v=PIUObaq4-rs

7 Sec 10 6 Secants, Tangents and Angle Measures
https://www.youtube.com/watch?v=8AcL3Xu_zh8

10.6 Circles -interior & exterior angles
https://www.youtube.com/watch?v=x5VhqSbmNPU

Angles Outside a Circle: Lesson (Geometry Concepts)
https://www.youtube.com/watch?v=eq1G7AWsTY8

Unit 9 Day 3 - Interior and Exterior Angles in Circles
https://www.youtube.com/watch?v=MVaWSaGJXC8

Interior/Exterior Angles in Circles
https://www.youtube.com/watch?v=YUTV2QjZjrg

Geometry - Circles - Chords, secants & tangents - measures, angles and arc lengths
https://www.youtube.com/watch?v=Ulr8-27TZgc

Interior and exterior Angles of Circles 18
https://www.youtube.com/watch?v=Z--DgCUDZfI

部分資料來源: 學習吧
https://www.learnmode.net/knowledge/version?p=36#%E7%BF%B0%E6%9E%97%E7%89%88_%E5%9C%8B%E4%B8%AD%E6%95%B8%E5%AD%B8_%E4%BA%8C%E4%B8%8A(%E6%95%B8%E5%AD%B83)