allery14 cm వ్యాసార్థం గల వృత్తం నుండి 90 డిగ్రీల కోణం కలిగిన ఒక సెక్టార్ను కత్తిరించారు. దాని వైశాల్యాన్ని కనుగొనండి (pi = 22/7).
A154 cm²
B77 cm²
C616 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
వృత్త వైశాల్యంలో నాల్గవ వంతు (1/4)(22/7)(196) = 154 చదరపు సెంటీమీటర్లు.
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