Geometric Analysis: Identifying Parallel Lines in Multiple Line Sets

Determine which lines are parallel to one another?

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Step-by-step video solution

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00:00 Determine which of the lines are parallel?
00:03 Parallel lines never intersect
00:07 In all examples 1-3 the lines intersect
00:13 In this example the lines never intersect therefore they are parallel
00:20 This is the solution

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1

Understand the problem

Determine which lines are parallel to one another?

2

Step-by-step solution

Remember that parallel lines are lines that, if extended, will never intersect.

In diagrams a'+b'+c', all the lines intersect with each other at a certain point, except for diagram d'.

The lines drawn in answer d' will never intersect.

3

Final Answer

Practice Quiz

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The lines below are not the same size, but are they parallel?

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