Find the approximate area of the shaded region below, consisting of a square with a circle cut out of it. Use 3.14 as an approximation for PI

1 answer

To find the area of the shaded region, we first need to calculate the area of the square and then subtract the area of the circle.

Let's assume that the side length of the square is 10 units. Therefore, the area of the square is 10 * 10 = 100 square units.

The radius of the circle is half of the side length of the square, which is 5 units. Therefore, the area of the circle is calculated as π * r^2 = 3.14 * 5^2 = 3.14 * 25 ≈ 78.5 square units.

Now, we can calculate the area of the shaded region by subtracting the area of the circle from the area of the square:
100 - 78.5 ≈ 21.5 square units.

Therefore, the approximate area of the shaded region is 21.5 square units.