Current Attempt in Progress An oil slick on a lake is surrounded by a floating circular containment boom. As the boom is pulled in, the circular containment area shrinks. If the radius of the area decreases at a constant rate of 7 min at what rate is the containment area shrinking when the containment area has a diameter of 80 m? NOTE: Enter the exact answer. The area is shrinking at a rate of m2 min

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