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Chapter 5 Parallel and Intersecting Lines - Part 3

If co-interior angles add to 180°, the two lines are:

Type: MCQ • Marks: 1
If co-interior angles add to 180°, the two lines are:
Options
A. Perpendicular
B. Parallel
C. Coincident
D. Intersecting
Explanation
Supplementary co-interior angles show that the lines are parallel.
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Class 7th Ganita Prakash 1

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