Real-World Parallel and Perpendicular Lines
Grade 9•45 minutes•G.CO.A.1 Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.
Learning Objective
I can analyze real-world images and diagrams to determine whether lines are parallel or perpendicular, justifying my reasoning with geometric definitions.
Practice Questions
This lesson includes 22 practice questions to reinforce learning.
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1. Define a point in geometry and explain its purpose.
2. What is the difference between a line and a line segment? Use an example to illustrate.
3. Explain what a ray is and how it differs from a line and a line segment.
...and 19 more questions
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