This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: 1. Points that are on the same line are collinear. 2. Three noncollinear points determine a plane. 3. Coplanar points are points that lie in the same plane. 4. Two points determine a line. For Exercises 5–8, tell whether each argument uses inductive or deductive reasoning. 5. The rain stopped, and the sun came out. Next, a rainbow will appear. 6. Jose put $25 into savings each week for 10 weeks. Therefore, Jose has put $250 into savings during this period. 7. Quadrilateral RTGL is a rectangle. All rectangles are parallelograms. So quadrilateral RTGL is a parallelogram. 8. The first three numbers of a pattern are 1, 2, 4. So, the next number is 7. Identify the property that makes each statement true. 9. Tell which of the two arguments is invalid. Explain why it is invalid. 13. (a) Vertical angles are congruent. . Therefore, and are vertical angles. (b) Vertical angles are congruent. and are vertical angles. Therefore, ....
View
Full
Document
This note was uploaded on 07/19/2010 for the course MATH Geo100 taught by Professor Any during the Spring '10 term at École Normale Supérieure.
 Spring '10
 any
 Geometry, Postulates

Click to edit the document details