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Find the perimeter of shaded region $BXC$.
Mathematics 9709 · AS & A Level · Coordinate geometry
Coordinate geometry — practice question
The diagram shows $ABC$ as a semicircle with diameter $AC$, centre $O$ and radius $6\text{ cm}$. Arc $AB$ measures $15\text{ cm}$. Point $X$ is on $AC$ and $BX$ is perpendicular to $AX$.