NCERT · Class 9 · Mathematics · CirclesThe sum of either pair of opposite angles of a cyclic quadrilateral is:
Step-by-Step Solution
The sum of either pair of opposite angles of a cyclic quadrilateral is 180 degrees (supplementary).
Detailed Options Breakdown
Option : 90 degrees
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Circles.
Option 1: 180 degrees (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 360 degrees
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Circles.
Option 3: 270 degrees
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Circles.
💡 Study Guide: This question tests core syllabus concepts from Circles. For formulas, key summaries, and mock exam reference guides, read the full Circles Revision Notes.