McGraw Hill Integrated II, 2012
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McGraw Hill Integrated II, 2012 View details
6. Surface Areas and Volumes of Spheres
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Exercise 62 Page 855

Points are coplanar if they lie on the same plane.

No, see solution.

Practice makes perfect

According to the definition, coplanar points are points that lie on the same plane. Let's analyze the diagram and see if that is the case with G, A, B, and E.

As we can see, E, A, and B lie on one plane P, but point G does not. Therefore, they are not coplanar.