if the diameter of a cookie is 12 what is the area

area = π * d^2 / 4

To find the area of a cookie, you need to use the formula for the area of a circle, which is:

Area = π * radius²

The diameter is given as 12 units, and you can find the radius by dividing the diameter by 2.

Radius = Diameter / 2 = 12 / 2 = 6 units

Now, substitute the radius into the formula:

Area = π * (6)² = π * 36

The approximate value of π is 3.14.

Area ≈ 3.14 * 36 ≈ 113.04 square units

Therefore, the area of the cookie is approximately 113.04 square units.

To find the area of a circle, you would usually need to know the radius or the diameter. However, in this case, since you already know the diameter of the cookie (12 units), you can use it to find the radius, which is half of the diameter.

To find the radius, divide the diameter by 2:
radius = diameter / 2 = 12 / 2 = 6

Now that we have the radius, we can use it to find the area of the cookie. The formula for the area of a circle is:

Area = π * radius^2

Plugging in the value we found for the radius:

Area = π * 6^2 = π * 36

The value of π (pi) is approximately 3.14, so the simplified formula is:

Area ≈ 3.14 * 36 = 113.04

Therefore, the area of the cookie is approximately 113.04 square units.