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2. Lesson Menu Five-Minute Check (over Lesson 12–7) Main Idea and Vocabulary Key Concept: Geometric Figures Example 1:Identify a Figure Key Concept: Pairs of Lines Example 2:Describe a Pair of Lines Key Concept: Congruent Segments Example 3:Identify Congruent Line Segments

3. Main Idea/Vocabulary I will identify and label basic geometric terms. point line ray line segment plane intersecting lines perpendicular lines parallel lines congruent line segments

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5. Example 1 Identify a Figure Identify the figure. Then name it using symbols. The figure is between two endpoints. The end points indicate that the line stops at those two points. Answer: So, it is a line segment. The figure can be named PQ or QP.

6. 1.A 2.B 3.C 4.D Example 1 Identify the figure. A. B. C. D.

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8. Example 2 Describe a Pair of Lines Describe the lines as intersecting, perpendicular, or parallel. The lines cross at one point, so they are intersecting. Since they also form a square corner, they are perpendicular lines. Answer: intersecting and perpendicular

9. 1.A 2.B 3.C Example 2 A.intersecting B.perpendicular C.parallel Describe the lines as intersecting, perpendicular, or parallel.

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11. Example 3 Identify Congruent Line Segments Determine whether the line segments are congruent. Write yes or no. Answer: Yes, the line segments have the same length, so they are congruent.

12. 1.A 2.B Example 3 A.yes B.no Determine whether the line segments are congruent. Write yes or no.

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14. Resources Five-Minute Check (over Lesson 12–7) Image Bank Math Tool Chest Identify Angles

15. 1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 12–7) Use any strategy to solve. Salvador and his family will visit a theme park. Adult tickets cost $21. The total cost of tickets for the two adults and four children in Salvador’s family is $106. How much are children’s tickets? A.$16 B.$32 C.$15 D.$22

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