Question
Download Solution PDFनीचे दी गई आकृति में, AB और CD दो जीवा हैं जो वृत के बाहर बिंदु O पर प्रतिच्छेद करती हैं। यदि AB = 2 सेमी, OB = 5 सेमी और OD = 3.5 सेमी है तब CD की लम्बाई ज्ञात कीजिये।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया है
AB = 2 सेमी, OB = 5 सेमी और OD = 3.5 सेमी
गुणधर्म:
जब कोई दो जीवा AB और CD वृत के बाहर किसी बिंदु O पर प्रतिच्छेद करती हों, तब
OA × OB = OC × OD
उपरोक्त गुणधर्म का प्रयोग करते हैं-
⇒ (AB + OB) × OB = OC × OD
⇒ 7 × 5 = OC × 3.5
⇒ OC = 35/3.5 = 10
⇒ CD = OC – OD = 10 – 3.5 = 6.5 सेमी
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