यदि कोई ΔABC , ∠C = 75°, ∠B = 45° और a = √3 हो, तो b का मान ज्ञात कीजिए।

  1. 1
  2. √2
  3. 2√2
  4. 2√3

Answer (Detailed Solution Below)

Option 2 : √2
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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संकल्पना:

त्रिभुज ABC में, ज्या नियम के अनुसार

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

त्रिभुज में कोणों का योग 180° होता है 

गणना:

दिया गया है: ∠C = 75°, ∠B = 45° और a = √3

∠A + ∠B + ∠C = 180° 

⇒ ∠A = 180° - 75° - 45° 

⇒ ∠A = 60° 

ज्या नियम

⇒ 

⇒ 

⇒ 

⇒ b = √2 

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