gaokao 2021 Q11

gaokao · China · national-A-science Not Maths

11. Let $A, B, C$ be three points on the surface of a sphere $O$ with radius 1, and $AC \perp BC$, $AC = BC = 1$. Then the volume of the triangular pyramid $O-ABC$ is
A. $\frac{\sqrt{2}}{12}$
B. $\frac{\sqrt{3}}{12}$
C. $\frac{\sqrt{2}}{4}$
D. $\frac{\sqrt{3}}{4}$

11. Let $A, B, C$ be three points on the surface of a sphere $O$ with radius 1, and $AC \perp BC$, $AC = BC = 1$. Then the volume of the triangular pyramid $O-ABC$ is\\
A. $\frac{\sqrt{2}}{12}$\\
B. $\frac{\sqrt{3}}{12}$\\
C. $\frac{\sqrt{2}}{4}$\\
D. $\frac{\sqrt{3}}{4}$

Paper Questions

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