Mathematics - 3D-Coordinate Geometry Question with Solution | TestHub

Mathematics3D-Coordinate GeometryMiscellaneous/MixedHard2 minQB

MathematicsHardmultiple choice

Pyramid $P A BC D$ has square base $A BC D, P$ is equidistant from $A, B, C, D, A B = 1$ , and $∠ A P D = 6 0^{\circ}$ . Which are true?

Answer:

A, C

Solution:

With $O$ the square centre, the geometry gives $OP = 1/ 2$ . Thus volume is $\frac{1}{3} \cdot 1 \cdot 1/ 2$ and $P P^{'} = 2 OP = 2$ .

Stream:JEESubject:MathematicsTopic:3D-Coordinate GeometrySubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: QB

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