The radius of a circle can be calculated using the formula for the circumference of a circle:
1. The formula for the circumference of a circle is: Circumference = 2 * π * radius, where π is approximately 3.14.
Given that the circumference of the circle is 125 cm, we can substitute this value into the formula:
2. 125 = 2 * 3.14 * radius
To find the radius, divide both sides of the equation by 2 * 3.14:
3. radius = 125 / (2 * 3.14)
radius ≈ 19.87 cm
Rounding the answer to the nearest whole number as requested, the radius of the circle with a circumference of 125 cm is approximately 20 cm. Therefore, the correct answer is:
- 20 cm
