Question:
A stone dropped in a pond sends out a circular ripple whose
Last updated: 7/19/2022
![A stone dropped in a pond sends out a circular ripple whose](https://media.kunduz.com/media/sug-question/raw/43288685-1658246122.5285032.jpeg?h=512)
A stone dropped in a pond sends out a circular ripple whose radius increases at a constant rate of 4 ft/sec. After 12 seconds, how rapidly is the area inclosed by the ripple increasing? Recall the area of a circle is given by A= πr².