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Mathematics 10 Online
OpenStudy (mw647):

Will fan and medal! You are creating a cone-shaped hat for a kid’s costume. You measure the circumference of the child’s head and find it to be 20.5 inches. Determine the radius of the hat. You want the hat to have a slant height of 8 inches. How much material would you need to make the hat? Your answer should be in square inches.

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