ΔABC இல், AB = 8 செ.மீ. ∠A ஆனது D இல் BC ஐ வெட்டுவதற்கு உட்புறமாக பிரிக்கப்படுகிறது. BD = 6 செ.மீ மற்றும் DC = 7.5 செ.மீ. CA இன் நீளம் என்ன?

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RRB ALP Previous Paper 5 (Held On: 10 Aug 2018 Shift 3)
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  1. 12 செ.மீ
  2. 12.5 செ.மீ
  3. 10.5 செ.மீ
  4. 10 செ.மீ

Answer (Detailed Solution Below)

Option 4 : 10 செ.மீ
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AB = 8 செ.மீ, ∠A ஆனது BC ஐ D இல் வெட்டுவதற்கு உட்புறமாக பிரிக்கப்படுகிறது,

⇒ AB/AC = BD/CD

⇒ 8/AC = 6/7.5

∴ AC = 10 செ.மீ
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