New, extremely simple golden ratio construction with two identical circles and line. Is there any prior art?
59105
New Golden Ratio Construction with Two Adjacent Squares and Circle. Have you seen anything similar?
4454
What's the value of this Viète-style product involving the golden ratio?
49040
Great-circle lines in Equirectangular projection
60530
Locating tick marks at integral multiples of pi/2
155241
How do we know the ratio between circumference and diameter is the same for all circles?
50303
Is there a way to fill the area between two circles?
57857
Will this procedure generate random points uniformly distributed within a given circle? Proof?
137391
How does the unit circle work for trigonometric ratios of non-acute angles?
86753
All right angles are equal to each other
115677
Prove the equality of circle's areas
119651
Expressing $1.24\overline{123}=1.24\;123\;123\;123\;\ldots$ as the ratio of two integers
16369
How often is the Golden Ratio actually used in modern design?
37448
Two Circles and Tangents from Their Centers Problem
113953
Circular permutations with indistinguishable objects
148233
Proof that every circle has the ratio of $\pi$
105081
Illustrator: Is there an efficient and accurate way to join two circles by their tangents (and keep it editable)?
76767
Can a line of π lengths be drawn with a compass and straight edge?