What is the value of $L$ and the arcs $AG$ and $BH$, as a function of $d, R$ and $r$?
Note that $G, H, C, D$ are collinear and $AB$ tangent to both circles.
The problem was inspired by a question from the ACT exam.
2026-03-26 08:00:53.1774512053
What is the value of $L$ and the arcs $AG$ and $BH$?
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Hint: Please draw a line from center $C$ to line $AD$, parallel to $AB$. It will be perpendicular to line $AD$.