Question

What is the best estimate for the area of circle A, in square units? Use the approximation “pie”≈3.14.

Answer 1

Answer:

153.86 un²

Step-by-step explanation:

Area circle = πr²

Radius is the distance of the center to the edge(perimeter)

Radius = 7

Area circle = 3.14(7)²

Area circle = 3.14 * 49 = 153.86

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Answer 2

Solving for the Area of a Circle

Answer:

The area of the Circle $A$ is approximately $153.86$

Step-by-step explanation:

The area of a circle, $A_{\circ}$, is calculated by $A_{\circ} = \pi r^2$. We can see that the distance between point $A$ to any point on the circle is $7$. This means that $7$ is the radius of the circle.

Solving for $A_{\circ}$:

$A_{\circ} = \pi r^2 \\ A_{\circ} \approx 3.14(7)^2 \\ A_{\circ} \approx 3.14(49) \\ A_{\circ} \approx 153.86$