Question
Download Solution PDFగోళం యొక్క ఉపరితల వైశాల్యం 64 π సెం.మీ.2 అయితే, ఆ గోళం యొక్క ఘనపరిమాణం:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇవ్వబడినది:
గోళం యొక్క ఉపరితల వైశాల్యం = \(64 \pi cm^2\)
ఉపయోగించవలసిన సూత్రం:
గోళం యొక్క సంపూర్ణతల వైశాల్యం = \(4 \pi r^2\)
గోళం యొక్క ఘనపరిమాణం = \(\frac{4\pi r^3}{3}\)
గణన:
గోళం యొక్క ఉపరితల వైశాల్యం = 64 \(\pi\)
⇒ \(4 \pi r^2\) = \(64\pi\)
⇒ \(r^2\) = 16
⇒ r = 4 సెం.మీ.
ఇప్పుడు, ఘనపరిమాణం = \(\pi\) \(r\(cm^3\) = 4/3 × \(\pi\) × 4 × 4 × 4 = \(256 \pi\over3\) \(cm^3\) . ^3\) .
4/3∴ గోళం యొక్క ఘనపరిమాణం \(256 \pi\over3\) \(cm^3\) .
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