समान त्रिज्या 6 सेमी के दो वृत्त एक दूसरे को P और Q पर काटते हैं। यदि PQ = 10 सेमी है, तो दोनों वृत्तों के केंद्रों के बीच की दूरी कितनी है?

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SSC CGL 2023 Tier-I Official Paper (Held On: 19 Jul 2023 Shift 1)
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  1. 10 सेमी
  2. सेमी
  3. 6√11 सेमी
  4. 2√11 सेमी

Answer (Detailed Solution Below)

Option 4 : 2√11 सेमी
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गणना:

दी गई छवि के अनुसार, O1 और O2 दोनों वृत्तों के केंद्र हैं। 

केन्द्रों O1O2 से जुड़ने वाली रेखा, PQ को R पर समद्विभाजित करती है। 

इसलिए, ΔPRO1 एक समकोण त्रिभुज है, जो ∠R पर समकोण है। 

पाइथागोरस प्रमेय से,

O1R = √(62 - 52)

⇒ O1R = √11

अब, O1 और O2 के बीच की दूरी = 2 × O1R = 2√11 सेमी

∴ सही उत्तर 2√11 है। 

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