A plane angle is the inclination to one another of two lines in a plane which meet one another and do not lie in a straight line.
Father of geometry
Found in 1 providers: deepseek
Cross Reference
1 source
"The angles in the same segment are equal to one another."
Strange & Unusual"To draw a straight line at right angles to a given straight line from a given point on it."
Strange & Unusual"To describe a circle with any centre and radius."
Shocking"The square on the side subtending the right angle in right-angled triangles is equal to the squares on the sides containing the right angle."
Shocking"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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