allery14 cm त्रिज्या वाले एक वृत्त से 90 डिग्री के कोण वाला एक त्रिज्यखंड काटा जाता है। इसका क्षेत्रफल ज्ञात कीजिए (π = 22/7)।
A154 cm²
B77 cm²
C616 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
वृत्त के क्षेत्रफल का एक-चौथाई = (1/4)(22/7)(196) = 154 वर्ग सेमी (cm²)।
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