Mathematics · Mensuration

A ring is formed between two concentric circles with outer radius R = 14 cm and inner radius r = 9 cm. Using π22 = 227, find the area of the ring.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1341.5 cm2
2361.42 cm2✓
3451.5 cm2
4139.2 cm2

Correct answer

361.42 cm2

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A ring is formed between two concentric circles with outer radius R = 14 cm and inner radius r = 9 cm. Using π22 = 227, find the area of the ring.

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A ring is formed between two concentric circles with outer radius R = 14 cm and inner radius r = 9 cm. Using π22 = 227, find the area of the ring.

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