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books الهندسة ثنائية الأبعاد

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الهندسة ثنائية الأبعاد (Info)


متعدد الرؤوس

    The هايبرسفير in 2 dimensions is a دائرة, sometimes called a 1-sphere because its surface is one-dimensional. Its area is

    حيث نصف القطر.

    Source: wikipedia.org