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GeoGebra
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Εμβαδόν μεταβλητού πολυγώνου
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ΛΑΜΠΡΟΣ ΚΑΡΑΚΩΣΤΑΣ
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r=ασυνκθ
Sum of the interior angles of a triangle
Congruent Complements Theorem
Equidistance Theorems - Angle Bisector
Triangle Angle Theorems
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Pg54_1
Pythagoras theorem with semicircles
Parallelograms
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Twyman_B3_Translations