Art of Tangent Circles
Art of Tangent Circles
The outer shape is made from the arcs of three tangent circles of radius . The radius of inner circles is determined by the recurrence , , where =a, =a, and =a.
a
1/+1/=4/a+2/
r
n+2
r
n
r
n+1
n≥3
r
3
r
4
2
3
-33
r
5
2
3
-33(2
3
-1)