CBSE · Class 9 · Mathematics · CirclesAngle in a semicircle is a:
Step-by-Step Solution
The angle in a semicircle is a right angle (90 degrees), which follows directly from the theorem that the angle subtended by a diameter at the circumference is 90 degrees.
Detailed Options Breakdown
Option : Right angle (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Straight angle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Circles.
Option 2: Acute angle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Circles.
Option 3: Obtuse angle
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.