alleryಅರ್ಧಗೋಳದ ಗುಮ್ಮಟವು ತ್ರಿಜ್ಯವನ್ನು ಹೊಂದಿದೆ 7 cm. ಅದರ ಬಾಗಿದ ಹೊದಿಕೆಗೆ ಎಷ್ಟು ವಸ್ತು ಬೇಕು? π = 22/7 ಬಳಸಿ.
A308 cm²
B154 cm²
C462 cm²
D616 cm²
Answer & Solution
Correct answer: A. 308 cm²
ಅರ್ಧಗೋಳದ ಬಾಗಿದ ಪ್ರದೇಶವು 2πr² = 2 × (22/7) × 49 = 308 cm².
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