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Quick Review

Quick Review. Use the figure at the right to decide whether the statement is true or false. 1. C lies on line d. 2) X, Y, and Z are collinear. 3) A is a plane. 4) CY is a line. Z. C. Y. X. A. d. 1.4 Sketching Intersections. Vocabulary. Intersect- points in common

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Quick Review

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  1. Quick Review Use the figure at the right to decide whether the statement is true or false. 1. C lies on line d. 2) X, Y, and Z are collinear. 3) A is a plane. 4) CY is a line. Z C Y X A d

  2. 1.4 Sketching Intersections

  3. Vocabulary Intersect- points in common Intersection- point or points that two or more figures have in common

  4. Postulates Postulate 3- if two lines intersect, then their intersection is a point -Lines s and t intersect at point P. Postulate 4- if two planes intersect, then their intersection is a line -Planes M and N intersect at line d. s P t M d N

  5. EXAMPLES Use the diagram below. 1) Name the intersection of FJ and KM. 2) Name the intersection of NP and KM. 3) Name the intersection of NP and FJ. N M L F G H J K P

  6. 4) Name the intersection of planes B and C. 5) Name the intersection of planes A and B. 6) Name the intersection of planes A and C. A B C d e

  7. 7) What is shown by this sketch? 8) Sketch two planes that intersect in a line. D a

  8. Try in your notebooks p. 25 2-32even

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