alleryએક સમઘનની કુલ સપાટીનું ક્ષેત્રફળ 294 cm² છે. તેનું ઘનફળ કેટલું હશે?
A49 cm³
B294 cm³
C343 cm³
D216 cm³
Answer & Solution
Correct answer: C. 343 cm³
છ બાજુઓ 6a નો વર્ગ = 294 આપે છે, તેથી a = 7 અને ઘનફળ 343 ઘન સેન્ટિમીટર થાય છે.
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