An open cylindrical trash can is to hold 19 cubic feet of material. What should be its dimensions if the cost of material used is to be a minimum? [Surface Area, S = $\pi$r² + 2 $\pi$rh where r = radius and h = height.]

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The Answer of An open cylindrical trash can is to hold 19 cubic feet of material. What should be its dimensions if the cost of material used is to be a minimum? [Surface Area, S = $\pi$r² + 2 $\pi$rh where r = radius and h = height.]

An Open Cylindrical Trash Can Is to Hold 19 Cubic π\piπ

An Open Cylindrical Trash Can Is to Hold 19 Cubic $\pi$