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2 years ago

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

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

4 0

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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Brums [2.3K]

Well I THINK triangle ABC is just a stretched out version of triangle DEF.

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Area of DEF is 6, so that means that (4 * x)/2 = 6.

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