दिलेल्या आकृतीत, O हा वर्तुळाचा केंद्रबिंदू आहे आणि ∠AOB = 130° आहे. ∠APB काढा.

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SSC CGL 2023 Tier-I Official Paper (Held On: 26 Jul 2023 Shift 1)
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  1. 110°
  2. 115°
  3. 100°
  4. 95°

Answer (Detailed Solution Below)

Option 2 : 115°
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वापरलेली संकल्पना:

दिलेल्या चित्रानुसार, ∠AOB = 2∠ACB

पुन्हा, ∠ACB + ∠APB = 180°

गणना:

दिलेल्या संकल्पनेनुसार,

∠AOB = 2∠ACB

∠ACB = 130/2 = 65°

पुन्हा, ∠ACB + ∠APB = 180°

⇒ ∠APB = 180° - 65° = 115°

∴ योग्य उत्तर 115° आहे.

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