एक सम पंचभुज के आंतरिक कोण का माप (डिग्री में) कितना होगा?

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UP TGT Mathematics 2019 Official Paper
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  1. 120
  2. 108
  3. 136
  4. 145

Answer (Detailed Solution Below)

Option 2 : 108
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प्रयुक्त सूत्र:

पंचभुज के प्रत्येक कोण की माप = \(\frac{(n - 2) \times 180}{n}\)

गणना:

पंचभुज की पाँच भुजाएँ होती हैं, इसलिए n = 5

⇒ पंचभुज के प्रत्येक कोण की माप = \(\frac{(5 - 2) \times 180}{5}\)

∴ पंचभुज के प्रत्येक कोण की माप = 108°

सही उत्तर विकल्प 2अर्थात् 108° है 

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