Thread: help with story problem please

The epxression pie2 gives the area of a circle with the radius r. How many square meters of wheat were destryoed when an alian ship made a crop circle of diameter 25 meters in the wheat field at the southwind Ranch? find pie on the calculater?

Originally Posted by fancyface

The epxression pie2 gives the area of a circle with the radius r. How many square meters of wheat were destryoed when an alian ship made a crop circle of diameter 25 meters in the wheat field at the southwind Ranch? find pie on the calculater?

By the way, it's "pi" not "pie."

If the diameter d = 25 m, then the radius is . So the area of the circle is:
.

You will find "pi" on your calculator by looking for the symbol " ".

-Dan