skyedrifter123 skyedrifter123

26-01-2019
Mathematics

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The lateral surface area L of a cone varies jointly as the base radius r and the slant height l, and L =63π m2 when r = 3.5 m and l = 18 m. Find r to the nearest tenth when L = 8πm2 and l = 5 m.

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izabelllreyes izabelllreyes

26-01-2019

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