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Mathematics 18 Online
OpenStudy (anonymous):

John is creating a model of the earth. His model will be 5 inches across. How much paper will he need to cover the model? i just need the formula im guessing its just like finding the area of a circle but im not sure

OpenStudy (anonymous):

you are required to find out the surface area

OpenStudy (anonymous):

as we know earth is sphere so u are required to find the surface area of a sphere

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