CBSE · Class 7 · Mathematics · Lines and AnglesWhich of the following pairs of angles is a linear pair?
Step-by-Step Solution
A linear pair is a pair of adjacent angles whose sum is $180^{\circ}$. Thus, two supplementary adjacent angles form a linear pair.
Detailed Options Breakdown
Option : Adjacent angles whose sum is 90°
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Lines and Angles.
Option 1: Adjacent supplementary angles (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Complementary angles
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Lines and Angles.
Option 3: Vertically opposite angles
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.