Which of the following points is not coplanar with points C, D and E?

it's r because it does not sit on the same plane as the rest of the points that are given.when looking at the diagram c,d and e are all connected to the square on the bottom of the pyramid. The same goes for points u,s and a. The point R is different by sitting on one of the triangles of the pyramid.

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tutorconsortium005 tutorconsortium005 · Answer 2 · 2022-06-19T08:37:39+02:00

The point R is not coplanar with C, D, and E. This is because point R is not lying in the plane of C, D, and E.

What are coplanar points?

The points which lie on the same plane are said to be coplanar points.

Verifying the given points:

The given points are R, A, S, and U

The considered pane is w.r.t the points C, D, and E.

So, point A is forming a square with the points C, D, and E. So, it is coplanar with these points.

Point S is on the surface of the plane formed by ACDE. So, it is coplanar.

Point U is also in the plane w.r.t point C, D, and E. So, it is a coplanar point.

But point R does not lie in the plane w.r.t C, D, and E. So, it is not coplanar with points C, D, and E.

Learn more about coplanar points here:

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