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Kylie Wroot

Period 5

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Also, someone who makes toys would need to know how much material is needed if they were making an object in the shape of a cylinder. Surface area can also be used if you are trying to find out how much wrapping paper to wrap a gift. Surface area is used for many things rom gifts to plumbing.

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The area of a circle is the number of square units inside the circle. You could use this if you worked at pizza hut and wanted to know how much toppings would fit on a certain pizza, also if you wanted to garnish food it would be helpful to know what to put on and how much.

Justin Sheldon

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Pi is the relationship fo the circumference of a circle to the diameter. Thus for any circle, if you divide the circumference by the diameter, you get a value close to 3.14.

When the pentagon was built the original figure was supposed to be a circel but they over estimated the area of the land to the circumference of the circle and ended up with a pentagon.

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