台灣黑皮歐巴桑的學習祕笈

中英文版(國二數學) 特殊四邊形與梯形：梯形中線的性質與應用

V553 證明梯形對角線中點線段的性質利用輔助線作證明～3 1推理與證明～第五
https://www.youtube.com/watch?v=5-HMT5p5c8I

國中_數學_16-3-2 梯形中線的性質與應用
https://www.youtube.com/watch?v=KiibMGg4p9Q

【例題】梯形中線的特性
https://www.youtube.com/watch?v=ZtBa9CQJte8

國中_數學_梯形_梯形中線的性質與應用
https://www.youtube.com/watch?v=dVZOaXnyra8

【例題】梯形：已知上下底比例與中線長求上下底長
https://www.youtube.com/watch?v=37J6_1qr3VE

【例題】求梯形中的角度線段面積
https://www.youtube.com/watch?v=oJqTw0gwsTk

國中_數學_相似形_梯形兩腰中點連線性質
https://www.youtube.com/watch?v=TeifSJuhnHE

國中_數學_相似形_梯形對角線中點連線性質
https://www.youtube.com/watch?v=EPLQyp7FLOY

Properties of a Trapezoid-Geometry Help-MooMooMath
https://www.youtube.com/watch?v=vIykog9c4MI

How to find the missing length of a trapezoid using the midsegment formula
https://www.youtube.com/watch?v=nWDgX4ojJag

Geo trapezoid and a parallel line seg
https://www.youtube.com/watch?v=siZb1it46M4

Area of a Trapezoid
https://www.youtube.com/watch?v=WBgRnFFGCuQ

8-5 Trapezoids and Segment Lengths
https://www.youtube.com/watch?v=fk8bd9Fd2mk

Median of a Trapezoid - MathHelp.com - Geometry Help
https://www.youtube.com/watch?v=UKuMHRZoiXQ

Properties of Trapezoids 128-2.25
https://www.youtube.com/watch?v=Epx3jOWi1TU

How to determine the missing measures of an isosceles trapezoid
https://www.youtube.com/watch?v=E2lGlZWoRr8

Properties of Trapezoids & Mid Segment Theorem
https://www.youtube.com/watch?v=e8rL_5nLxTg

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