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(4, 1), (1, 1), (3, 5) ஆகிய முனைகள் கொண்ட முக்கோணம் எவ்வாறு அழைக்கப்படும் ?

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RRC Group D Previous Paper 3 (Held On: 19 Sep 2018 Shift 1)
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  1. இருசமபக்க மற்றும் செங்கோண முக்கோணம்
  2. அசமபக்க முக்கோணம்
  3. இருசமபக்க முக்கோணம் ஆனால் செங்கோண முக்கோணம் அல்ல 
  4. செங்கோண முக்கோணம் ஆனால் இருசமபக்க முக்கோணம் அல்ல 

Answer (Detailed Solution Below)

Option 2 : அசமபக்க முக்கோணம்
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Detailed Solution

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A(4, 1), B(1, 1) மற்றும் C(3, 5) ஆகியவை முக்கோணத்தின் முனைகளாகும். பின்,

⇒ AB2 = (1 - 1)2 + (1 - 4)2 = 9

⇒ BC2 = (5 - 1)2 + (3 - 1)2 = 20

⇒ AC2 = (5 - 1)2 + (3 - 4)2 = 17

3 பக்கங்களும் வெவ்வேறு நீளங்களைக் கொண்டிருப்பதால், இது ஒரு அசமபக்க  முக்கோணமாகும்.

 

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