alleryಯಾವ ಬೀಜಗಣಿತ ಅಭಿವ್ಯಕ್ತಿ r ತ್ರಿಜ್ಯದ ಗೋಳದ ಸುತ್ತುವರಿದ ಒಟ್ಟು ಬಾಹ್ಯ ಪ್ರದೇಶವನ್ನು ಲೆಕ್ಕಾಚಾರ ಮಾಡುತ್ತದೆ?
A2pi * r^2
B4pi * r^2
C(4/3)ಪೈ * r^3
D(2/3)ಪೈ * r^3
Answer & Solution
Correct answer: B. 4pi * r^2
r ತ್ರಿಜ್ಯ ಹೊಂದಿರುವ ಗೋಳದ ಮೇಲ್ಮೈ ವಿಸ್ತೀರ್ಣವನ್ನು 4 * pi * r^2 ನಿಂದ ನೀಡಲಾಗಿದೆ.
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