alleryಒಂದು ವಜ್ರಾಕೃತಿಯ ಕರ್ಣಗಳು 16 ಸೆಂ.ಮೀ ಮತ್ತು 30 ಸೆಂ.ಮೀ. ಅಳತೆ ಮಾಡುತ್ತವೆ. ಅದರ ವಿಸ್ತೀರ್ಣ ಎಷ್ಟು?
A120 cm²
B46 cm²
C480 cm²
D240 cm²
Answer & Solution
Correct answer: D. 240 cm²
ರೋಂಬಸ್ ವಿಸ್ತೀರ್ಣವು ಅದರ ಕರ್ಣಗಳ ಅರ್ಧದಷ್ಟು ಉತ್ಪನ್ನವಾಗಿದೆ, ಆದ್ದರಿಂದ 0.5 x 16 x 30 = 240 ಚದರ ಸೆಂಟಿಮೀಟರ್ಗಳು.
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