ClassEx24
Classroom Exercises on page 24: 3 to 14 all
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Every segment has one midpoint. A segment has no more than one midpoint.
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A line and a point not in the line determine a plane.
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yes
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yes , at least 1 line
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no, unless the points are noncollinear
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C, A: postulate 6
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Answers may vary. any 3 of these: A, B, C, or D. Through any 3 noncollinear points there is exactly 1 plane.
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Line AB, Postulate 9
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yes Postulate 8
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yes, a plane contains at least 3 points not all in one line.
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it will not wobble!!
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The legs may not be the same length and their ends may not be coplanar.