Եռանկյան ներքին անկյունները գումարը

Applet allows the student to powerfully discover the triangle interior and exterior angle sum theorems. Geometric transformations (translation & rotation) are at the heart of this "proof" without words.

 

lilitgrigoryan198716

 
Doelgroep (leeftijd)
11 – 15
Taal
English
 
 
 
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