The angles in the same segment are equal to one another.
Father of geometry
Theorem 21, Book III of 'Elements'
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"Proof by contradiction is a powerful tool."
Shocking"What advantage shall I get by learning these things?"
Shocking"Similar triangles are to one another in the duplicate ratio of their corresponding sides."
Strange & Unusual"A semicircle is the figure contained by the diameter and the circumference cut off by it. And the center of the semicircle is the same as that of the circle."
Strange & Unusual"In any triangle, if one of the sides be produced, the exterior angle is equal to the two interior and opposite angles, and the three interior angles of the triangle are equal to two right angles."
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