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Inscribed & Circumscribed Figures

Section: GeometryBank code: GEO-INSGRE frequency: MediumPro

1. Core Idea

When one figure sits inside another and touches it, a single relationship links their dimensions. Finding that link is the entire problem; the arithmetic afterwards is trivial.

The question to ask every time: what does the inner figure's key dimension equal in terms of the outer one?


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