एक समबाहु त्रिभुज का परिमाप 48 सेमी है। इसका क्षेत्रफल (सेमी2 में) ज्ञात कीजिए।

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SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 2)
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  1. 81√3
  2. 8√3
  3. 25√3
  4. 64√3

Answer (Detailed Solution Below)

Option 4 : 64√3
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दिया गया है:

एक समबाहु त्रिभुज का परिमाप = 48 सेमी

प्रयुक्त सूत्र:

समबाहु त्रिभुज का परिमाप = 3 × भुजा

गणना:

समबाहु त्रिभुज का परिमाप = 48

3 × भुजा = 48

⇒ भुजा = 48/3 = 16 सेमी 

समबाहु त्रिभुज का क्षेत्रफल = {√3 × (भुजा)2 }/4

⇒ {√3 × (16)2 }/4 = 256√3/4

⇒ 64√3 सेमी2

∴ सही उत्तर 64√3 सेमी2 है।

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