# Question #7515d

##### 1 Answer

#### Explanation:

A dinner plate is a circle. To find the area of a circle, use the equation

In this problem, the diameter is 12 inches. Diameter is twice the length of the radius so to find the radius, divide 12 by 2:

The radius is 6 inches.

Now, we have all the information necessary to commplete the problem. We substitute the values in to the equation to get the equation

simplified to:

because

The answer can be left in terms of

Therefore:

Both answers are correct, but the first one which leaves