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Area of a Trapezoid by Similarity
作者:
John Golden
主题:
面积
,
梯形
Inspired by Ed Southall's trapezoid musings.
http://solvemymaths.com/2015/03/07/proof-area-of-a-trapezium-trapezoid-us/
In the sketch, it is set up so BC<=AD. Is that an okay assumption to make?
GeoGebra
新资源
Linear Equation Graphs: Thin Slice
Right Triangle Inscribed in a Semicircle
Rovnoběžnost rovin
Midpoint Theorem Questions: Mild
Function art 3D - waiting shed (v2)
发现资源
El pez
Συντελεστής Διευθύνσεως Ευθείας
rectangle 2
Untitled
Beak Unit: Skeletal Cube
发现主题
圆
立方体
位似
特殊点
周长