4 in

Shape: Circle
Calculate the area of the circle.
Area of a circle: 3.14 x r²
A = [?] in²
Round to the nearest hundredth.

1 answer

To calculate the area of a circle, you can use the formula:

\[ A = \pi r^2 \]

In your case, the radius \( r \) is 4 inches. We can use \( \pi \approx 3.14 \) for the calculations.

\[ A = 3.14 \times (4)^2 \]

First, calculate \( (4)^2 \):

\[ (4)^2 = 16 \]

Now, plug this value back into the area formula:

\[ A = 3.14 \times 16 \]

Now, perform the multiplication:

\[ A = 50.24 \]

So, the area of the circle is:

\[ A \approx 50.24 \text{ in}^2 \]

Rounded to the nearest hundredth, the area is \( 50.24 \text{ in}^2 \).