台灣黑皮歐巴桑的學習祕笈

中英文版(國二數學)平面圖形：三角形、四邊形的周長

國中_數學_14-1-2 三角形、四邊形的周長
https://www.youtube.com/watch?v=Zx2tOwALXGM

國中_數學_平面圖形_三角形、四邊形
https://www.youtube.com/watch?v=qe2fnyfwYtk

01 正方形的周長公式
https://www.youtube.com/watch?v=lfvaqTrfgYw

02 長方形的周長公式
https://www.youtube.com/watch?v=bH7o9Bhs8OI

三角形與平行四邊形的面積
https://www.youtube.com/watch?v=xxiN88-MoDM

中正國中數學三角形周長8b35016
https://www.youtube.com/watch?v=bm5U7Ka0Kuc

面積 - (05)平行四邊形的面積計算方式證明2
https://www.youtube.com/watch?v=YXBxQVFs748

面積 - (18)三角形面積計算的基本題型
https://www.youtube.com/watch?v=ykc4dLmlG48

平行四邊形底高與長方形長闊
https://www.youtube.com/watch?v=gJh-TqYUvsU

國二下 分割成三角形求平行四邊形面積
https://www.youtube.com/watch?v=5Ab1MZL--R8

Math Antics - Perimeter
https://www.youtube.com/watch?v=AAY1bsazcgM

Types of Triangles, Area, Perimeter
https://www.youtube.com/watch?v=H-tSIKn6LZo

Given the ratio of sides and perimeter of a triangle find the lengths
https://www.youtube.com/watch?v=wJod_mMbRyY

Given two sides of a triangle determine the missing length
https://www.youtube.com/watch?v=kFHBkgHt6BQ

Triangle Perimeter #3
https://www.youtube.com/watch?v=DciJyWoUTXM

Perimeter of a parallelogram | Perimeter, area, and volume | Geometry | Khan Academy
https://www.youtube.com/watch?v=5ZCKr4wTQvI

How to Find the Perimeter of a Parallelogram
https://www.youtube.com/watch?v=P1CpMYG9d4c

Use special right triangles to determine the height to find the area of a parallelogram
https://www.youtube.com/watch?v=duWc0bAQo9I

perimeter of quadrilaterals
https://www.youtube.com/watch?v=LBKQTFLp8h8

Parallelograms - Geometry
https://www.youtube.com/watch?v=t42sLuns4Qs

How to find x in a quadrilateral when you know the perimeter
https://www.youtube.com/watch?v=H9vfyDf-rNw

How to determine the perimeter of a quadrilateral using distance formula of four points
https://www.youtube.com/watch?v=Y6pnyOISZIE

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