Given that the measurement is in centimeters of the circle to the nearest tenth (Use 3.14 for r)
something is missing.
To find the circumference of a circle, you need to know the radius (r) or the diameter (d). Since you mentioned using 3.14 for r, I assume you have the radius.
The formula for the circumference (C) of a circle is:
C = 2πr
where π (pi) is approximately 3.14.
To find the circumference to the nearest tenth of a centimeter, you can follow these steps:
1. Take the given radius in centimeters.
2. Multiply the radius by 2π (2 multiplied by pi, which is approximately 3.14).
3. Round the result to the nearest tenth of a centimeter.
Let's go through an example:
Suppose the radius of the circle is 5 centimeters. We can calculate the circumference as follows:
C = 2πr
C = 2 * 3.14 * 5
C = 31.4
Since we want the circumference rounded to the nearest tenth of a centimeter, the answer is 31.4 centimeters.
Remember to adjust the calculations accordingly if you have the diameter instead of the radius. In that case, you would use the formula C = πd, where d is the diameter.