• Nick Halsey uploaded a new app: Circles, Tangents a… 6 years, 9 months ago

    You may want to see the heptagon version before attempting this one

    Every diagonal within a regular nonagon is drawn. Circles are centered at each intersection of diagonals along a vertical axis (these same constructions can be made nine times around the nonagon). Each circle can be tangent to at least 4 diagonals when the circl…