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Which of the following could NOT represent the intersection of a plane and a triangular prism?
A. a triangular prism
B.a triangle
C. a rectangle
D. a point
I had D, a point because if you cut a triangle in half you can not get a point out of it.
If this is wrong can you explain what is correct.
Thanks

  • math -

    The intersection of a plane and a solid is a plane figure. So, (A) is not possible.

    If the plane intersects the prism at a vertex, the intersection is just a point.

  • math -

    so I am wrong, thank you for explaining which it can not be.
    Thanks

  • math -

    meth

  • math -

    A point

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