Oil spills from a ruptured holding tank on an Oil platform is creating a circular oil spot in the ocean with a radius that is increasing at 1 meter per second. a. Calculate dA/dt when the oi slick is 50 meters in radius based on dr/dt.. Your answer should be in decimals rounded to the nearest 100th.

b. When will the oil slick be a circle the size of Indiana?
* Use Indiana = 94.321 billion square meters.