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Indian Navy SSR Three Dimensional Geometry — practice questions

3 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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The distance between two points $P(x_1, y_1, z_1)$ and $Q(x_2, y_2, z_2)$ in three-dimensional space is:Angle between line and plane: if direction of line is L and normal to plane is N, sin(angle line-plane):The cosine of the angle between two lines with direction ratios $(1,2,2)$ and $(2,2,1)$ is: