Fototapeta Pythagorean theorem a2+b2=c2 the famous formula to calculate the hypotenuse of a triangle written on an old fashioned blackboard

Pythagorean theorem a2+b2=c2 the famous formula to calculate the hypotenuse of a triangle written on an old fashioned blackboard

Numer zdjęcia: 1034167390, autor: © Philip

Tytuł: Pythagorean theorem a2+b2=c2 the famous formula to calculate the hypotenuse of a triangle written on an old fashioned blackboard

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