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Mathematics 20 Online
OpenStudy (anonymous):

Grace is making party hats for her upcoming birthday party. A single hat has a diameter of 23 centimeters and a slant height of 30 centimeters. What is the lateral area of each party hat?

OpenStudy (chriss):

looks like this is 1/2 the perimeter * slant height the perimeter is 23pi so the area should be 11.5pi(30) or 345pi

OpenStudy (anonymous):

or 1,083.85 cm2 :) thanks

OpenStudy (chriss):

yep.. and you are welcome :)

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