Find the area of the circle. Use 3.14 for pie the diameter is 9 Round your answer to the nearest hundredth, if necessary.
The radius of the circle is half the diameter, so:
r = 9/2 = 4.5
The formula for the area of a circle is:
A = πr^2
Plugging in the values we have:
A = 3.14 x 4.5^2
A = 3.14 x 20.25
A = 63.585
Rounding to the nearest hundredth, the area of the circle is:
A = 63.59 (rounded to two decimal places)
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.
Given that the diameter is 9, the radius (r) can be calculated by dividing the diameter by 2: r = 9/2 = 4.5.
Now, substitute the value of r into the formula:
A = 3.14 * (4.5)^2
Simplifying the expression:
A = 3.14 * 20.25
Calculating the product:
A ≈ 63.585
Rounding the answer to the nearest hundredth:
A ≈ 63.59
Therefore, the area of the circle, when rounded to the nearest hundredth, is approximately 63.59 square units.