Geometry

Question Analysis

The main focus is to determine the radius of the circle based on its center and a point on the circle , and then use the formula for the circumference of a circle to find its perimeter.

Key Concept Explanation

The formula for the circumference of a circle is , where is the radius of the circle. The radius is the distance from the center of the circle to any point on the circle.

Step - by - Step Solution

1. Determine the radius of the circle:

Given the center of the circle and a point on the circle .

Use the distance formula , where and

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