alleryಒಂದು ಕೋಣೆಯು 10 ಮೀ ಉದ್ದ, 8 ಮೀ ಅಗಲ ಮತ್ತು 3 ಮೀ ಎತ್ತರವಿದೆ. ಅದರ ನಾಲ್ಕು ಗೋಡೆಗಳ ಒಟ್ಟು ವಿಸ್ತೀರ್ಣ ಎಷ್ಟು?
A240 m²
B108 m²
C216 m²
D144 m²
Answer & Solution
Correct answer: B. 108 m²
ನಾಲ್ಕು ಗೋಡೆಗಳು 2(l + b)h = 2 x 18 x 3 = 108 ಚದರ ಮೀಟರ್ ವಿಸ್ತೀರ್ಣವನ್ನು ಹೊಂದಿವೆ.
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