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Angle between Two Planes in a Square Pyramid 正四角錐中兩平面間的交角
Author:
Alex CHIK
Topic:
Planes
,
Pyramid
,
Square
Part 1/2
GeoGebra
Part 2/2
GeoGebra
Drag V or B to change the size of the pyramid.
gMath 互動數學教室
http://www.geogebra.hk
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