(a) If A is area of circle with radius r , find dA/dt in terms of dr/dt.If the radius of an oil spill increases at rate of 1 m/s, how fast is area of increasing when the radius is 33 m?

Answer 1

There are 3 steps to solving this problem.

1.) Write down the formula for the area of a circle.

2.) Differentiate both sides of the formula with respect to time.

3.) Plug in the given values.

Where are you getting stuck?