[img]data:image/png;base64,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[/img][br]where [math]r[/math]=radius, [math]h[/math]=height.[br][img]data:image/png;base64,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[/img]
[u][color=#0000ff]https://www.geogebra.org/classic/uqw2eewr[/color][/u]