ఇచ్చిన చిత్రాన్ని గమనించండి. రెండు కేంద్రాలు AB మధ్య దూరం అనేది ఎంత?

F1 SSC Arbaz 6-10-23 D17

This question was previously asked in
SSC CGL 2023 Tier-I Official Paper (Held On: 18 Jul 2023 Shift 4)
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  1. 10 సెం.మీ
  2. 11 సెం.మీ
  3. 13 సెం.మీ
  4. 12 సెం.మీ

Answer (Detailed Solution Below)

Option 3 : 13 సెం.మీ
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PYST 1: SSC CGL - English (Held On : 11 April 2022 Shift 1)
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Detailed Solution

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ఉపయోగించిన సూత్రం:

ప్రత్యక్ష ఉమ్మడి స్పర్శరేఖ = √ (రెండు కేంద్రాల మధ్య దూరం2 - ( r - r2)2

గణన:

రెండు కేంద్రాల మధ్య దూరం = d సెం.మీ

సూత్రం ప్రకారం,

12 = √ (d2 - ( 8  - 3)2.

⇒ 144 = d2 - 25

⇒ d2 = 169

⇒ d = 13

∴ సరైన ఎంపిక 3

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