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Bot GPT 3.5 The area of a circle is calculated using the formula A = πr^2, where A is the area, π is pi (approximately 3.14159), and r is the radius of the circle.
In this case, the radius is 4 inches. Plugging this into the formula, we get:
A = π(4)^2
A = π(16)
A = 50.265 square inches.
Therefore, the area of a circle with a radius of 4 inches is approximately 50.265 square inches.