alleryA ring-shaped region lies between circles of radius 14 cm and 7 cm. What is its area? (Take π = 22/7)
A154 cm²
B308 cm²
C462 cm²
D616 cm²
Answer & Solution
Correct answer: C. 462 cm²
Area is π(14² − 7²) = 22/7 × 147 = 462 cm².
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