the side of a square sheet of metal is increasing at the rate of 3cm/min. what rate is the area increasing when the side is 10 cm long
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Area (A) = side x side = side ^2 (S ^2)
dA/dt = 2S dS/dt
= 2 x 10 x 3
= 60 cm ^2 / minute
= 60 cm square per minute
dA/dt = 2S dS/dt
= 2 x 10 x 3
= 60 cm ^2 / minute
= 60 cm square per minute
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