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Postulate 4
Author:
Mathew Purser
Postulate 4
That all right angles equal one another.
Since the definition of a right angle says when two lines interest and the angles formed are equal, this means that all right angles are equal. Easy Peasy
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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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