A circle has a radius of 4 inches. What is its approximate area?

50.27

Explanation

The area of a circle is given by the formula $$A = {\pi}r^2$$ where r is the radius of the circle. By definition,  $$\pi$$ is approximately 3.14 so:
$$A = 3.14 \times {4^2} = 3.14 \times 16 = 50.27$$

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