Geometry

Question Analysis

This question focuses on calculating the area of a circle. The main task is to determine the radius from the given diameter and then apply the formula for the area of a circle.

 

Key Concept Explanation

The formula for the area of a circle is , where  is the area and  is the radius. The radius is half of the diameter, i.e., .

 

Step - by - Step Solution

1. Identify the diameter of the circle. Here, the diameter .

2. Calculate the radius: .

3. Substitute the radius into the area formula:

.

Replace  with 10: