Damilare123 Damilare123

15-09-2022
Mathematics

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The total surface areas of a cone of a base radius r and perpendicular height h is given by s=(22/7)r^2 + (22/7)(r^2)*√((r^2)+(h^2).if r and h are each increasing at the rate of 0.5m/s and 0.2m/s respectively,find the rate at which s is increasing at the instant when r=3m and h=4m

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