Mathematics · Mensuration
A ring is formed between two concentric circles with an outer radius R = 12 units and an inner radius r = 5 units. Using π = 227, find the area of the ring.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1374 square units✓
- 2145 square units
- 3398 square units
- 4761 square units
Correct answer
374 square units
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