Page 192 - Math Course 2 (Book 2)
P. 192
Postulates and Paragraph Proofs
Skill Practice!
Determine the number of line segments that can be drawn connecting each pair of points.
1. 2.
Determine whether the following statements are always, sometimes, or never true. Explain.
3. Three collinear points determine a plane.
4. Two points A and B determine a line.
5. A plane contains at least three lines.
In the figure, DG and DP lie in plane J and H lies on DG. State the postulate that can be used to show each
statement is true.
6. G and P are collinear.
7. Points D, H, and P are coplanar.
8. PROOF In the figure at the right, point B is the midpoint of AC and point C is the midpoint of BD. Write a
paragraph proof to prove that AB = CD.
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