MP Board · Class 9 · Mathematics · Lines and AnglesIf the sum of two adjacent angles is 180°, then the non-common arms of the angles form a:
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Total Attempts: 4
Accuracy Rate: 50%
Step-by-Step Solution
If the sum of two adjacent angles is 180°, then their non-common arms form a line (Linear Pair Converse).
Detailed Options Breakdown
Option : Right angle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Lines and Angles.
Option 1: Line (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Ray
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Lines and Angles.
Option 3: Line segment
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Lines and Angles.
💡 Study Guide: This question tests core syllabus concepts from Lines and Angles. For formulas, key summaries, and mock exam reference guides, read the full Lines and Angles Revision Notes.