alleryರೋಂಬಸ್ ಕರ್ಣಗಳನ್ನು ಹೊಂದಿದೆ 16 cm ಮತ್ತು 30 cm. ಅದರ ವಿಸ್ತೀರ್ಣ ಮತ್ತು ಪರಿಧಿ ಏನು?
A240 cm²; 64 cm
B480 cm²; 68 cm
C480 cm²; 92 cm
D240 cm²; 68 cm
Answer & Solution
Correct answer: D. 240 cm²; 68 cm
ಪ್ರದೇಶವು 16×30/2 = 240 cm ²;
ಲಂಬವಾದ ಅರ್ಧ-ಕರ್ಣಗಳು 8 ಮತ್ತು 15 ಆಗಿದ್ದು, ಪ್ರತಿ ಬದಿಯನ್ನು 17 ಮತ್ತು ಪರಿಧಿ 68 ಸೆಂ.
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