台灣黑皮歐巴桑的學習祕笈

中英文版(國三上數學) 相似多邊形：相似多邊形的意義與判別、面積、底邊與高的關係

國中_數學_17-1-2面積、底邊與高的關係
https://www.youtube.com/watch?v=EDMiJl8i6HA

三角形底邊與面積關係
https://www.youtube.com/watch?v=UeURT-gbI_0

【一般】正三角形的高與面積
https://www.youtube.com/watch?v=gYPvsht0WmE

【觀念】相似三角形的周長比與面積比
https://www.youtube.com/watch?v=txttoUO5EHs

【例題】梯形：已知上底斜邊與高求下底與面積
https://www.youtube.com/watch?v=vqefo2aIPUg

【例題】利用底邊與高判別平行四邊形二
https://www.youtube.com/watch?v=wmvRxU9Dt64

國中_數學_相似形_同底等高三角形
https://www.youtube.com/watch?v=MvikBofbCqc

國中_數學_相似形_等高三角形面積比
https://www.youtube.com/watch?v=-vbztVK6xDk

【例題】利用三角形面積相等說明圖形為平行四邊形
https://www.youtube.com/watch?v=Y-23vbC1wx8

【例題】梯形：已知斜邊上底與一對角線求面積
https://www.youtube.com/watch?v=Y9-X9YvzTD0

【例題】求直角三角形斜邊上的高
https://www.youtube.com/watch?v=9XPkiLttzDg

等高三角形面積比
https://www.youtube.com/watch?v=eU5EqA_9vFM

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

國一下 3之2 連比 資優9 三角形底邊與高成反比
https://www.youtube.com/watch?v=oQTsIjyzqYo

【林晟數學－國5冊】試看第3集 相似形的應用
https://www.youtube.com/watch?v=QZAxAtStFBo

國中_數學_圖形的放大與縮小I
https://www.youtube.com/watch?v=qGQJBeNp3OA
https://www.youtube.com/watch?v=O_EibePRc0o
https://www.youtube.com/watch?v=Kmmj2YVnxgw

國中_數學_圖形的放大與縮小II
https://www.youtube.com/watch?v=Mwr_3cIKQGk
https://www.youtube.com/watch?v=aKCuVFiK4mM
https://www.youtube.com/watch?v=DR79Un3T5oY
https://www.youtube.com/watch?v=Hv-XfSLKgnQ
https://www.youtube.com/watch?v=LLNolxLjSQA

How to find height and understand the formula for area of an oblique triangle
https://www.youtube.com/watch?v=LBHI_oppbCs

How to determine the height of a triangle when given the area
https://www.youtube.com/watch?v=6wFTvYswogA

Determine the height of a parallelogram to find the area
https://www.youtube.com/watch?v=fSlqsK6rQdY

Geometry Sec. 11-1 Area of Parallelogram and Triangle
https://www.youtube.com/watch?v=oJ9PH0FxFbs

Trigonometry Word Problem, Finding The Height of a Building, Example 1
https://www.youtube.com/watch?v=y0b90Yz-LPM

Trigonometry Applications - Angle of Elevation
https://www.youtube.com/watch?v=mCfmeDBz1yY

Angle of Elevation/Angle of Depression Problems
https://www.youtube.com/watch?v=3H28-wzsF3s

CBSE X Maths Some Applications of Trigonometry - Heights and Distance
https://www.youtube.com/watch?v=BGXgcvGPRLI

Using the proportion of parallel lines to determine the missing length of a triangle
https://www.youtube.com/watch?v=HkRswNP_7Z8

Altitudes of Triangles - Module 23.3 (Part 2)
https://www.youtube.com/watch?v=DbwJNlvwq7c

Area Of A Triangle Inside Of A Rectangle
https://www.youtube.com/watch?v=GWbs4BJt4G0

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)