中英文版(國二數學)平面圖形:圓形與扇形之面積與周長計算


國中_數學_14-1-3 圓形與扇形之面積與周長計算
https://www.youtube.com/watch?v=D5W9h9TW-fY


國中數學 弓形的面積與周長
https://www.youtube.com/watch?v=bvWZUK2QK8E


國中_數學_幾何圖形與尺規作圖_平面幾何圖形:圓
https://www.youtube.com/watch?v=ybXKRzoPhZE


扇形的周長
https://www.youtube.com/watch?v=kmZnq4j5vj4


名師學院數學精英班 主題15 圓、扇形周長 特訓9 齊峻老師
https://www.youtube.com/watch?v=gJSG7ECMR7s


國中_數學_幾何圖形與尺規作圖_平面幾何圖形:圓_練習1
https://www.youtube.com/watch?v=4TKd0uVryb4


國中_數學_幾何圖形與尺規作圖_平面幾何圖形:圓_練習2
https://www.youtube.com/watch?v=WA7OWPcdhmc


國中_數學_幾何圖形與尺規作圖_平面幾何圖形:圓_練習3
https://www.youtube.com/watch?v=RaauNfZETOk


國中_數學_幾何圖形與尺規作圖_平面幾何圖形:圓_練習4
https://www.youtube.com/watch?v=Kj7WUDr0_Qg


知道圓面積計算半徑或周長
https://www.youtube.com/watch?v=oV7YpYDJnDw


求圓複合圖形的面積及周長練習
https://www.youtube.com/watch?v=2Ylh82rUsB4


2) 圓心角所對弦長、弧長與扇形面積_【基本觀念】_國三上2-2_Live數學學習網
https://www.youtube.com/watch?v=G3yRTWlPzLI


求扇形的周長和面積?
https://www.youtube.com/watch?v=PD8Id--XGLs


Math Antics - Circles, Circumference And Area
https://www.youtube.com/watch?v=O-cawByg2aA


Circumference - Perimeter of circles made easy - fast math lesson.
https://www.youtube.com/watch?v=tk2c7Bn2OH8


How to work out the perimeter of a circle
https://www.youtube.com/watch?v=9MlghByUrJY


Perimeter of a semi circle - Corbettmaths
https://www.youtube.com/watch?v=l014P8WEVZ8


Area of a circle, how to get the formula
https://www.youtube.com/watch?v=YokKp3pwVFc


How to calculate the area of a circle
https://www.youtube.com/watch?v=dFr9X0MlruQ


Circles: Area, Circumference, Radius & Diameter Explained!
https://www.youtube.com/watch?v=zHkAEbkuqLg


Area of a circle
https://www.youtube.com/watch?v=tCrDyJsSFok


How to Find the Area and Perimeter for a 3/4 Circle
https://www.youtube.com/watch?v=wljjxPERQW4


Perimeter of a Sector
https://www.youtube.com/watch?v=j64NyaCbcGU


Perimeter of a Sector
https://www.youtube.com/watch?v=kgqM18n4ua0


Perimeter of sector of a circle - exam question 15cm radius 140 degree
https://www.youtube.com/watch?v=2GfvFe8bLdg


How to find the perimeter of a sector using arc length formula
https://www.youtube.com/watch?v=yv1tBKGmu8Q


Area & Perimeter of Sectors
https://www.youtube.com/watch?v=RHyvVt8T1Eo


GCSE Sectors of Circles and Arc lengths
https://www.youtube.com/watch?v=LwYhfEpcUJ4


Finding Sector Area of a Circle
https://www.youtube.com/watch?v=4HFkHP43sWA


Area of a Sector and Arc Length
https://www.youtube.com/watch?v=D9xX8ip7kRc


Arc Length of a Circle Formula - Sector Area, Examples, Radians, In Terms of Pi, Trigonometry
https://www.youtube.com/watch?v=C9z3FXS7nlo

 


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

 

 

 

 

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