Question
Download Solution PDFఇచ్చిన చిత్రాన్ని గమనించండి. రెండు కేంద్రాలు AB మధ్య దూరం అనేది ఎంత?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఉపయోగించిన సూత్రం:
ప్రత్యక్ష ఉమ్మడి స్పర్శరేఖ = √ (రెండు కేంద్రాల మధ్య దూరం2 - ( r1 - 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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