alleryഒരു ക്യൂബിന്റെ ആകെ ഉപരിതല വിസ്തീർണ്ണം 294 cm² ആണ്. അതിന്റെ വ്യാപ്തം എത്രയാണ്?
A49 cm³
B294 cm³
C343 cm³
D216 cm³
Answer & Solution
Correct answer: C. 343 cm³
ആറ് മുഖങ്ങൾ 6a വർഗ്ഗം = 294 നൽകുന്നു, അതിനാൽ a = 7, വ്യാപ്തം 343 ക്യുബിക് സെന്റീമീറ്ററാണ്.
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