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Why same areas?
Author:
Terry Tam
Topic:
Area
GeoGebra
Given a parallelogram ABDC, E is a point on the line BD, and both lines AB and CE extend to meet at F. Prove that area of triangle ABE = area of triangle EDF. (Hint: Try to drag point E to point B as a diagonal BC)
New Resources
龙形曲线-分形龙2
正方形雪花图案
小学资源收集
球体的截面
第三周作业效果演示
Discover Resources
waaachen0001
方格紙上畫梯形3
圓 點 直線
circle1
纏繞畫1
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Complex Numbers
Limits
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