alleryएका खोलीची लांबी 10 m, रुंदी 8 m आणि उंची 3 m आहे. तिच्या चारही भिंतींचे एकूण क्षेत्रफळ किती आहे?
A240 m²
B108 m²
C216 m²
D144 m²
Answer & Solution
Correct answer: B. 108 m²
चार भिंतींचे क्षेत्रफळ 2(l + b)h = 2 x 18 x 3 = 108 चौरस मीटर आहे.
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