A plane angle is the inclination of the lines to one another, when two lines meet one another, but are not in the same straight line.
Father of geometry
Found in 1 providers: grok
Cross Reference
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"An obtuse angle is an angle greater than a right angle."
Strange & Unusual"An acute angle is an angle less than a right angle."
Strange & Unusual"And the greater is a multiple of the less when it is measured by the less."
Shocking"A prime number is that which is measured by a unit alone."
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."
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