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The sum of the angles of a quadrilateral
Author:
Daniel Mentrard
Topic:
Angles
,
Quadrilaterals
update of my 2009 file (old GUM)
GeoGebra
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အခြေခံ data အခေါ်အဝေါ်များ
Proof of a Rhombus by Construction and Deduction
apec
Dilation + Rotation of Pentagons
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