Find the approximate area of each circle. Use the value of pi that makes the math the simplest for you. In the example, it's a circle with 14cm written on it in the middle. I'm
the diameter is 14, so the radius is 7
the area is π*7^2 = 49π
To find the approximate area of a circle, you can use the formula A = πr^2, where A represents the area and r represents the radius of the circle. Since you mentioned that you want to use the value of pi that makes the math simplest for you, let's use an approximate value of pi, which is 3.14.
Now, let's calculate the area of the circle with a diameter of 14cm. The diameter is the distance across the circle passing through the center, and the radius is half of the diameter.
1. Find the radius of the circle: Divide the diameter by 2.
Radius = 14 cm / 2 = 7 cm
2. Plug the radius into the area formula: A = πr^2
A ≈ 3.14 x (7 cm)^2
A ≈ 3.14 x 49 cm^2
A ≈ 153.86 cm^2
So, the approximate area of the circle is approximately 153.86 square centimeters.
Remember, when calculating the area of a circle, it's always more accurate to use the exact value of pi, which is approximately 3.14159. However, using an approximate value like 3.14 can be sufficient in most cases.