(-5, 5); (x, 10) ; (10, 6) ; (-2, 1) సమాంతర చతుర్భుజం యొక్క శీర్షాల నిరూపకాలు. xని కనుగొనండి.

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ALP CBT 2 Physics and Maths Previous Paper 1 (Held On: 21 Jan 2019 Shift 1)
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  1. -4
  2. -2
  3. 7
  4. 5

Answer (Detailed Solution Below)

Option 3 : 7
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ఇచ్చినది:

సమాంతర చతుర్భుజం యొక్క శీర్షాలు = (-5, 5) ; (x, 10) ; (10, 6) ; (-2, 1)

భావన:

సమాంతర చతుర్భుజం యొక్క కర్ణాలు ఒకదానికొకటి సమద్వీఖండన చేయబడతాయి.

ఉపయోగించిన సూత్రాలు:

మధ్య బిందువు =  \((\frac{x_1\ +\ x_2}{2},\ \frac{y_1\ +\ y_2}{2})\)

గణన:

13

ఇక్కడ, O అనేది AC మరియు BDల మధ్య బిందువు ఎందుకంటే సమాంతర చతుర్భుజం యొక్క కర్ణాలు ఒకదానికొకటి సమద్వీఖండన చేయబడతాయి.

ఇప్పుడు, AC యొక్క మధ్యబిందువు = BD యొక్క మధ్య బిందువు

⇒  \(\frac{-\ 5\ +\ 10}{2}\ =\ \ \frac{x\ +\ (-\ 2)}{2}\)

⇒ 5 = x - 2

⇒ x = 7

∴ x విలువ 7.

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