Question
Download Solution PDFनिम्नलिखित आकृति में, दो वृत्त हैं जो एक दूसरे को बाह्य रूप से स्पर्श करते हैं। केंद्र P वाले पहले वृत्त की त्रिज्या 25 cm है। केंद्र Q वाले दूसरे वृत्त की त्रिज्या 4 cm है। उनकी उभयनिष्ठ अनुस्पर्श रेखा AB की लंबाई ज्ञात कीजिए।
चित्र पैमाने पर आधारित नहीं है और केवल प्रतिनिधित्वात्मक उद्देश्य के लिए है।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
बड़े वृत्त की त्रिज्या = 25 cm
छोटे वृत्त की त्रिज्या = 4 cm
प्रयुक्त सूत्र:
प्रत्यक्ष उभयनिष्ठ स्पर्शज्या= 2 × √(R × r)
गणना:
प्रत्यक्ष उभयनिष्ठ स्पर्शज्या (AB) = 2 × √(R × r)
⇒ 2 × √(25 × 4)
⇒ 2 × 10 = 20 cm
∴ सही उत्तर 20 cm है।
Last updated on Jun 13, 2025
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