একটি বর্গক্ষেত্রের প্রতিটি বাহুর দৈর্ঘ্য কত যার প্রতিটি কর্ণের দৈর্ঘ্য হল 10 সেমি?

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NTPC CBT-I (Held On: 7 Jan 2021 Shift 2)
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  1. 5 সেমি
  2. 7 সেমি
  3. 5√2 সেমি
  4. 10√2 সেমি

Answer (Detailed Solution Below)

Option 3 : 5√2 সেমি
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RRB NTPC CBT-I Official Paper (Held On: 4 Jan 2021 Shift 1)
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Detailed Solution

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প্রদত্ত:

বর্গক্ষেত্রের কর্ণ = 10 সেমি

অনুসৃত সূত্র:

বর্গক্ষেত্রের কর্ণ = √2a

গণনা:

প্রশ্ন অনুযায়ী

⇒ √2a = 10 সেমি

⇒ a = 10\√2 সেমি

⇒ a = 5√2 সেমি

∴ একটি বর্গক্ষেত্রের প্রতিটি বাহুর দৈর্ঘ্য হল 5√2 সেমি যার প্রতিটি কর্ণের দৈর্ঘ্য হল 10 সেমি

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