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Why same areas? (3)
作者:
Terry Tam
主题:
面积
GeoGebra
ABCD is a rectangle, and ABE, BDF, DCH, CAG are equilateral triangles. Why are the areas of the different colors the same? (Hint: Try to resize ABCD to see anything is keeping unchanged)
新资源
Translation in 3D (via x, y, z)
Torus
Dilation + Rotation of Pentagons
Vector Projections
Marion's Theorem
发现资源
triangles
пирамида и призма
สามเหลี่ยมพีทาโกรัส
Geogebra 001
Linear Transformations
发现主题
梯形
平面
位似
最小公倍数与最大公约数
极限