Geometry

Question Analysis

The main focus is using the circle's area formula to find the radius and then determining the diameter. Given the area,  we must reverse - apply the formula and use the relationship .

Key Concept Explanation

The area formula for a circle is , and the diameter . To find the radius from the area, divide the area by and then take the square root.

Step - by - Step Solution

1. Start with , substitute . We get .

2. Divide both sides by

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