A plane surface is a surface which lies evenly with the straight lines on itself.
Father of geometry
Found in 1 providers: grok
Cross Reference
1 source
"In any right-angled triangle, the square on the side subtending the right angle is equal to the squares on the sides containing the right angle."
Strange & Unusual"Similar triangles are to one another in the duplicate ratio of their corresponding sides."
Strange & Unusual"A straight line is that which lies evenly between its extreme points."
Strange & Unusual"If a straight line be cut in extreme and mean ratio, the greater segment is also cut in extreme and mean ratio by the lesser segment."
Shocking"If a straight line fall on two parallel straight lines, it makes the alternate angles equal to one another, the exterior angle equal to the interior and opposite angle, and the interior angles on the …"
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