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## Cones

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**Examples of a cone**• Ice cream cone • Party hats • Traffic cones • Funnels**Volume formula of a cone**• V= volume • = pi • R= radius • H= height**Surface area formula of a cone**• SA= rs+ • SA= Surface area • = pi • S= slant height**Volume of a cone problem**• You are shipping party hats to Party City. The hats have a height of 10 in, a radius of 5, and a side length of 8. How much packing will you need so they don’t get crushed?**Volume of a cone (cont.)**• v=125*10*3.14*1/3 = 1308.3**Surface area of a cone problem**• An ice cream cone factory is making ice cream cones. The cones must have a radius of 3in, and a slanted height of 2in. How much cone surface area will there be for each cone?**Surface area of a cone (cont.)**• SA= rs+ • SA= + • SA= 3.14*3*2+3.14*3*3=