एक त्रिभुज ABC में बाजू c = 2, कोण A = 45°, बाजू , है, तो कोण C किसके बराबर है?

  1. 30° 
  2. 15° 
  3. 45° 
  4. उपरोक्त में से कोई नहीं 

Answer (Detailed Solution Below)

Option 1 : 30° 
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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संकल्पना:

त्रिभुज ABC में sine नियम के अनुसार 

 जहाँ a, b, c भुजाएं हैं और A, B, C त्रिभुज के कोण हैं। 

 

गणना:

एक त्रिभुज ABC में, c = 2, A = 45°, ,

दिए गए त्रिभुज में sine नियम का प्रयोग करने पर,

 

 

अतः विकल्प (1) सही है। 

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