A circle is a plane figure contained by one line such that all the straight lines falling upon it from one point among those lying within the figure are equal to one another.
Click any product to generate a realistic preview (~30s). Up to 3 at a time.
"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."
"The elements of geometry are derived from a small set of axioms and postulates."
"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."
"A straight line is that which lies evenly between its extreme points."
"The only purpose of the 'Elements' is to demonstrate mathematically certain fundamental propositions."
Found in 2 providers: grok,deepseek
2 sources checked
Your cart is empty
