(-5, 5) ; (x, 10) ; (10, 6) ; (-2, 1) हे समांतरभुज चौकोनाच्या शिरोबिंदूंचे निर्देशांक आहेत. तर x शोधा.

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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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दिलेल्याप्रमाणे:

समांतरभुज चौकोनाचे शिरोबिंदू = (-5, 5) ; (x, 10) ; (10, 6) ; (-2, 1)

संकल्पना:

समांतरभुज चौकोनाचे कर्ण एकमेकांना विभाजित करतात.

वापरलेले सूत्र:

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

गणना:

13

येथे, O हा AC आणि BD चा मध्यबिंदू आहे कारण समांतरभुज चौकोनाचे कर्ण एकमेकांना विभाजित करतात.

आता, AC चा मध्य बिंदू = BD चा मध्य बिंदू

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

⇒ 5 = x - 2

⇒ x = 7

∴ x चे मूल्य 7 आहे.

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