What is the area of a circle with a radius of 12 feet? Estimate the area to the hundredths place using 3.14 for π.
1. 452.2 square feet
2. 113.04 square feet
3. 452.16 square feet
4. 75.4 square feet
The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius.
Using the given radius of 12 feet and the approximation of π as 3.14, we can calculate the area as follows:
A = 3.14 * (12²)
A = 3.14 * 144
A ≈ 452.16 square feet
Therefore, the estimated area of the circle to the hundredths place is 452.16 square feet.
The correct answer is 3. 452.16 square feet.
To find the 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.
In this case, we are given the radius of the circle as 12 feet.
First, we need to square the radius:
12^2 = 144
Next, we need to multiply the squared radius by π, which is approximately 3.14:
144 * 3.14 = 452.16
Therefore, the area of the circle with a radius of 12 feet is approximately 452.16 square feet.
So, the correct answer is option 3: 452.16 square feet.
To find the area of a circle, you can use the formula A = πr^2, where A represents the area and r represents the radius.
Given that the radius of the circle is 12 feet and π is estimated as 3.14, we can substitute these values into the formula to find the area.
A = 3.14 * (12)^2
Now, we can solve this equation step-by-step:
1. Multiply the radius by itself:
12 * 12 = 144
2. Multiply the result by π:
3.14 * 144 = 452.16
Therefore, the area of the circle, rounded to the hundredths place, is 452.16 square feet. So, the correct answer is 3. 452.16 square feet.