Question
Download Solution PDFএকটি ঘনকের পৃষ্ঠের ক্ষেত্রফল 864 বর্গসেমি হলে কিউবের আয়তন কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
একটি ঘনকের পৃষ্ঠের ক্ষেত্রফল 864বর্গসেমি
অনুসৃত ধারণা:
1. একটি ঘনকের পৃষ্ঠের ক্ষেত্রফল = 6 × (পার্শ্ব)2
2. একটি ঘনকের আয়তন = (পার্শ্ব)3
গণনা:
ধরি, কিউবের প্রতিটি বাহুর পরিমাপ A সেমি
প্রশ্ন অনুযায়ী,
6A2 = 864
⇒ A2 = 144
⇒ A = 12
এখন, ঘনকের আয়তন = 123 = 1728 ঘনসেমি
∴ ঘনকের আয়তন 1728 ঘনসেমি
Last updated on Jun 25, 2025
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