Mathematics, 23.07.2019 02:10 alex6111

“an architect is planning to incorporate several stone spheres of different sizes into the landscaping of a public park, and workers who will be applying a finish to the exterior of the spheres need to know the surface area of each sphere. the finishing process costs $92 per square meter. the surface area of a sphere is equal to 4πr2, where r is the radius of the sphere.“in the table, select the value that is closest to the cost of finishing a sphere with a 5.50-meter circumference as well as the cost of finishing a sphere with a 7.85-meter circumference. make only two selections, one in each column.”circumference 5.50 m circumference 7.85 m finishing cost$900$1,200$1,800$2,800$3,200$4, 500

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