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Posted by Denis Borris on 27/7/2009, 10:15 am
4 circles radius r have following centers:
(r, w) ; (3r+2u, w) ; (2r+u, r) ; (2r+u, 3r+2v)
Each are tangent to one side of an isosceles trapezoid,
on the OUTSIDE of the trapezoid.
All four tangent points are situated at middle of each side.
What's the length of the trapezoid's longest side in terms of r,u,v,w ?
Clarification: longest side means longest of the 2 parallel sides.
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