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Geometry
Question

In the figure, the radius of circle $$\mathrm{A}$$ is twice the radius of circle $$\mathrm{B}$$ and four times the radius of circle $$\mathrm{C}$$. If the sum of the circumferences of the three circles is $$42\pi$$, find the measure of $$\mathrm{AC}$$.

Answer

$$27$$

Solution
View full explanation on CameraMath App.