Geometry

Question Analysis

This question focuses on using the area formula of a circle to find its radius. Given the area value, the main task is to reverse - engineer the formula  to solve for .

Key Concept Explanation

The formula for the area of a circle is , where  represents the area and  is the radius. To find  when  is known, we divide  by  to get , and then take the square root of the result.

Step - by - Step Solution

1. Start with the area formula . Since , substitute  into the formula:

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