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"A girl wishes to prepare birthday caps in the\nform of right circular cones for her birthday\nparty, using a sheet of paper whose area is\n\\( 5720 \\mathrm { cm } ^ { 2 } \\), how many caps can be made with\nradius \\( 5 \\mathrm { cm } \\) and height \\( 12 \\mathrm { cm } \\)."

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