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MIT 18.01 Single Variable Calculus (OCW) 8 Online
OpenStudy (sahil):

A tin of paint covers a surface area of 60m^2 and it costs $4.50. Find the cost of painting the outside of a hemispherical dome of radius 50m (only curved area)

OpenStudy (light-is-good):

Surface Area of a Sphere = 4(pi)(radius)^2 1/2 surface area of sphere = surface area of the dome You should be able to solve the problem now

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