The lateral area of a cone with radius 4cm is 60cm2, what is the slant height
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The lateral area of a cone with radius 4cm is 60cm2, what is the slant height

[From: ] [author: ] [Date: 11-05-12] [Hit: ]
......
please explain how to answer

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lateral area of a cone = pi * radius * slant height

=> 60 = pi * 4 * slant height
=> slant height = 60/4pi=4.77cm (use calculator)
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