gaokao 2015 Q10

gaokao · China · national-II-arts Not Maths

10. Points $A$ and $B$ are on the surface of sphere $O$, with $\angle A O B = 90 ^ { \circ }$. Point $C$ is a moving point on the sphere surface. If the maximum volume of the triangular pyramid $O - A B C$ is 36, then the surface area of sphere $O$ is
A. $36 \pi$
B. $64 \pi$
C. $144 \pi$
D. $256 \pi$

10. Points $A$ and $B$ are on the surface of sphere $O$, with $\angle A O B = 90 ^ { \circ }$. Point $C$ is a moving point on the sphere surface. If the maximum volume of the triangular pyramid $O - A B C$ is 36, then the surface area of sphere $O$ is\\
A. $36 \pi$\\
B. $64 \pi$\\
C. $144 \pi$\\
D. $256 \pi$

Paper Questions

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