台灣黑皮歐巴桑的學習祕笈

中英文版(國三上數學)   點、線、圓：切線與圓、圓外切四邊形(內切圓)

V530 圓外一點至圓的兩切線性質～2 1點、直線、圓之間的關係～第五冊第二章～南一版
https://www.youtube.com/watch?v=f3yzVaQZqC8

V530-1 過圓外一點作圓的切線～2 1點、直線、圓之間的關係～第五冊第二章～南一版
https://www.youtube.com/watch?v=K3iip49XygI

V531 圓外切四邊形的性質～2 1點、直線、圓之間的關係～第五冊第二章～南一版
https://www.youtube.com/watch?v=gE4DBNfm99g

國中_數學_18-1-2 切線與圓、圓外切四邊形(內切圓)
https://www.youtube.com/watch?v=kWwU_xSvZ1M

國中_數學_圓_圓的切線性質
https://www.youtube.com/watch?v=S4swG7zhMMw

國中_數學_圓_圓的切線段長
https://www.youtube.com/watch?v=y48CEy6wpO4

【觀念】圓外切四邊形
https://www.youtube.com/watch?v=09_GBBZYm2A

【一般】圓外切四邊形
https://www.youtube.com/watch?v=qUe698ClhaE

圓外切四邊形的性質
https://www.youtube.com/watch?v=zg9w1ZKOh5s

圓外切四邊形
https://www.youtube.com/watch?v=yDDPY2qWNn8

國中_數學_圓_正多邊形的內心與外心
https://www.youtube.com/watch?v=95PjR9cY5gM

國中_數學_圓_多邊形的外接圓與外心
https://www.youtube.com/watch?v=chCrkP4bH68

國中_數學_圓_多邊形內切圓與內心
https://www.youtube.com/watch?v=qVt298kjAAs

2) 多邊形的內心與內切圓_【基本觀念】_國三上3-3_Live數學學習網_www.Liveism.com_名師葛倫
https://www.youtube.com/watch?v=sIu0ID8B0JU

國中細說分冊-數學 點 線 圓
https://www.youtube.com/watch?v=hCK7BwE5VZg

B5 1之1~2之1 康軒習作複習 填充3 圓外切四邊形長度關係 凱爺數學
https://www.youtube.com/watch?v=gm_Ybqn9D_U

國中數學5: 7-7 直線與圓的位置關係
https://www.youtube.com/watch?v=dcHg3dN_5UE

圓與直線之關係及已知斜率求切線
https://www.youtube.com/watch?v=Gev2sYLB5qI

【基測數學】097v1 單選32：四邊形的內切圓
https://www.youtube.com/watch?v=pIKSBiViqcc

104會考_數學解析_選擇題第10題
https://www.youtube.com/watch?v=V0A4XoyP3N4

【例題】圓外切四邊形
https://www.youtube.com/watch?v=IB1-Li1uA0Y

圓外切四邊形
https://www.youtube.com/watch?v=tKOtCye0xbM

Constructing a Tangent to a Circle
https://www.youtube.com/watch?v=7PdAkCaeI2s

What is inscribed and circumscribed in geometry?
https://www.youtube.com/watch?v=rglExPp1Vek

Inscribing a Circle Inside a Triangle
https://www.youtube.com/watch?v=ltK6UwWUcyU

Distance of a line from a circle. Higher Revision: no.8 Ex.12M (Heinemann)
https://www.youtube.com/watch?v=s7pqlT8c6eY

Everything About Circle Theorems - In 3 minutes!
https://www.youtube.com/watch?v=XUus6-9E9sQ

✶ TANGENT LINES AND CIRCLES
https://www.youtube.com/watch?v=IcgycGSq9Us

Tangent Lines to a Circle
https://www.youtube.com/watch?v=OEs-gG3UHDM

C17--Construct the Inscribed Circle of a Triangle
https://www.youtube.com/watch?v=S5tyyOZBs1Q

Geometry - Tangent Lines
https://www.youtube.com/watch?v=k-tIMnL1xWc

Circumscribed and Inscribed Circles and Polygons
https://www.youtube.com/watch?v=bbxO4HdCW5A

Radius of Inscribed Circle Theorem (Geometry #194)
https://www.youtube.com/watch?v=P7RleylpcCI

Geometry - Basic Terminology (26 of 34) What are Tangent Lines?
https://www.youtube.com/watch?v=sicPcuiWDZM

Geometry - Basic Terminology (32 of 34) What does Inscribed and Circumscribed Mean?
https://www.youtube.com/watch?v=N0-EN4Kr_48

Square Inscribed in a Circle
https://www.youtube.com/watch?v=v3tSZh2FGpM

2 Tangent Lines to a Circle Which Intersect at an External Point
https://www.youtube.com/watch?v=AS8PVnG1GIQ

Tangent Lines to Circles
https://www.youtube.com/watch?v=Z9XDqH9BrL0

Tangents of Circles (1 of 4: What are they?)
https://www.youtube.com/watch?v=sRZtJ017gVk
https://www.youtube.com/watch?v=rnit26oIxfQ
https://www.youtube.com/watch?v=AvgOAEhZrUs
https://www.youtube.com/watch?v=477yRFmwZ_0

Equation of a Tangent to a Circle - Corbettmaths
https://www.youtube.com/watch?v=NHrb8N9oAUY

Inscribed Polygons and Circumscribed Polygons, Circles - Geometry
https://www.youtube.com/watch?v=lvS4dNlqQAc

Center and Apothem of Regular Polygons
https://www.youtube.com/watch?v=ai_GZnVY5Qo

Geometry 5.2b, Incenter Theorem & Inscribed circles
https://www.youtube.com/watch?v=Kb0RJ3IvOvM

How to know Inscribed and circumscribed polygons
https://www.youtube.com/watch?v=fqvW6cWaW8g

10.7 Inscribed and Circumscribed Polygons (Lesson)
https://www.youtube.com/watch?v=jsM4AJiY2vo

Circles and Polygons 3 Lesson 3 Perpendicular Bisector and Circumcenter
https://www.youtube.com/watch?v=RE0EmTs06Tk

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)