Same chapter3 marksDifficulty: Medium
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3 marksDifficulty: Medium
The circumference of a circle exceeds its diameter by 30 cm. Find its radius. Take π = 22/7.
Original Khojo Papers practice question — not from a past board paper.
Answer
7 cm
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
2πr − 2r = 30 gives 2r(π − 1) = 30. With π = 22/7 this is 2r × 15/7 = 30, so r = 7 cm.
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