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Mathematics 12 Online
OpenStudy (anonymous):

Grace is making party hats for her upcoming birthday party. A single hat has a diameter of 15 centimeters and a slant height of 28 centimeters. What is the lateral area of each party hat?

OpenStudy (anonymous):

I assume hat to be in perfectly conical shape that may sounds funny otherwise calculations are likely to be going haywire. The lateral surface area of a cone is pie*radius*slant height we have then answer as 659.4 square centimeter

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