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Chapter 5 Parallel and Intersecting Lines - Part 7

If two lines AB and CD intersect at O, and ∠AOC = 90°, then lines AB and CD are:

Type: MCQ • Marks: 1
If two lines AB and CD intersect at O, and ∠AOC = 90°, then lines AB and CD are:
Options
A. Parallel
B. Perpendicular
C. Non-intersecting
D. Coincident
Explanation
If intersecting lines form a 90° angle, they are perpendicular.
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Class 7th Ganita Prakash 1

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