alleryಪೈ ಅನ್ನು 22/7 ಎಂದು ತೆಗೆದುಕೊಂಡರೆ, 7 ಸೆಂ.ಮೀ ತ್ರಿಜ್ಯದ ವೃತ್ತದ ವಿಸ್ತೀರ್ಣ ಎಷ್ಟು?
A154 cm²
B49 cm²
C44 cm²
D308 cm²
Answer & Solution
Correct answer: A. 154 cm²
ವೃತ್ತದ ವಿಸ್ತೀರ್ಣವು ಪೈ r ವರ್ಗವಾಗಿದೆ, ಆದ್ದರಿಂದ (22/7) x 49 = 154 ಚದರ ಸೆಂಟಿಮೀಟರ್ಗಳು.
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