Similar triangles are to one another in the duplicate ratio of their corresponding sides.
Father of geometry
Theorem 19, Book VI of 'Elements'
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"The elements of geometry are derived from a small set of axioms and postulates."
Strange & Unusual"And the greater is a multiple of the less when it is measured by the less."
Shocking"Let it be granted that a circle may be described with any center and any radius."
Strange & Unusual"A straight line is that which lies evenly between its extreme points."
Strange & Unusual"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."
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