If the radius of a circle is doubled, the area becomes:
✓ Correct Answer: Option C
Area ∝ r². If r→2r, A→4A.
📚 About This Mathematics Practice Question
This 2-level Mathematics question from the Geometry & Mensuration topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.
How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Mathematics practice test or use flashcards for spaced repetition review.