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Complete the DO Now problems and check the answers of your HW Pg 9-10 13: B, E, A

Complete the DO Now problems and check the answers of your HW Pg 9-10 13: B, E, A 14: Possible answer B,C.D.E 15: Possible answer: Plane ABC 16-17 see drawing at board 31: A, 32: N, 33: A, 34: S. Objectives. Identify, name, and draw points, lines, segments, rays, and planes.

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Complete the DO Now problems and check the answers of your HW Pg 9-10 13: B, E, A

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  1. Complete the DO Now problems and check the answers of your HW Pg 9-10 13: B, E, A 14: Possible answer B,C.D.E 15: Possible answer: Plane ABC 16-17 see drawing at board 31: A, 32: N, 33: A, 34: S

  2. Objectives Identify, name, and draw points, lines, segments, rays, and planes. Understand postulates about points, lines, and planes.

  3. A postulate is a statement that is accepted as true without proof. Postulates about points, lines, and planes help describe geometric properties.

  4. Postulate: 1.1.1 1.1.2 1.1.3

  5. Check It Out! Example 1 Name a plane that contains three noncollinear points. Possible answer: plane GHF

  6. Note Example3 and Challenge Directions: 10 min (in groups of approx. 4) • Illustrate your postulate by drawing a model • **Use a dashed line to show the hidden parts of any figure that you are drawing. A dashed line will indicate the part of the figure that is not seen. • 2. Illustrate your postulate by creating a physical model • Be ready to show the class!

  7. Example 2: Representing Intersections A. Sketch two lines intersecting in exactly one point. B. Sketch a figure that shows a line that lies in a plane.

  8. Check It Out! Example 3 Sketch a figure that shows two lines intersect in one point in a plane, but only one of the lines lies in the plane.

  9. 2. A point on BC. Exit Ticket: Part I 1. Two opposite rays. 3. The intersection of plane N and plane T. 4. A plane containing E, D, and B.

  10. Exit Ticket: Part II Draw each of the following. 5. a line intersecting a plane at one point 6. a ray with endpoint P that passes through Q

  11. CB and CD 2. A point on BC. Possible answer: BD Exit Ticket: Part 1 Answers 1. Two opposite rays. Possible answer: D 3. The intersection of plane N and plane T. 4. A plane containing E, D, and B. Plane T

  12. Exit Ticket: Part II Answers Draw each of the following. 5. a line intersecting a plane at one point 6. a ray with endpoint P that passes through Q

  13. 1.1 Extra day practice: Exit Ticket and Practice B

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