Problem preview
G-CO.1 Warmup M1-034-A09-V02

Use precise definitions of angle, circle, perpendicular line, parallel line, and line segment from point/line/distance ideas.

Use definitions instead of visual assumptions

Problem

Is this diagram evidence enough to justify that the lines are parallel: both lines are marked with matching arrow symbols?

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Four variants of this problem type
Curriculum context
Course
Math I
Standard
G-CO.1
Category
Geometry
Domain
Congruence
Objective
Use precise definitions of angle, circle, perpendicular line, parallel line, and line segment from point/line/distance ideas.
Problem type
Use definitions instead of visual assumptions