Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - 1-2 Points, Lines, and Planes - Practice and Problem-Solving Exercises - Page 18: 63

Answer

25%

Work Step by Step

There is only a 1 in 4 chance that D will be the point that is not selected. If D is selected, the 3 points will not be collinear since D does not lie on the same line as the other 3 points.
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