alleryஒரு கனச்சதுரத்தின் மொத்தப் புறப்பரப்பு 294 cm² ஆகும். அதன் கனஅளவு என்ன?
A49 cm³
B294 cm³
C343 cm³
D216 cm³
Answer & Solution
Correct answer: C. 343 cm³
ஆறு முகங்கள் 6a² = 294 என்பதைத் தருகின்றன, எனவே a = 7 மற்றும் கனஅளவு 343 கன சென்டிமீட்டர் ஆகும்.
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