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Invariance of the sum of areas
Author:
Idan Tal
Topic:
Area
The applet illustrates the property: If K, I, N, G are the midpoints of a quadrilateral's sides AD, AB, BC, and CD, respectively, then, SAIFK + SFNCG = SIBNF + SKFGD.
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пирамида
Ακτίνα_διάμετρος κύκλου
formlik eksamen
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