A rectangular solid, 3 x 4 x 12, is inscribed in a sphere so that all eight of its vertices are on the sphere. What is

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by Vincen » Sun Jun 14, 2020 4:27 am

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A rectangular solid, 3 x 4 x 12, is inscribed in a sphere so that all eight of its vertices are on the sphere. What is the diameter of the sphere?

(A) 13
(B) 15
(C) 18
(D) 19
(E) 20

[spoiler]OA=A[/spoiler]

Source: Magoosh

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