If the diameter of a circle is 58, what is the circumference of the circle?

To find the circumference of a circle when the diameter is given, you can use the formula:

\[
C = \pi \times d
\]

Where:
- \( C \) is the circumference
- \( \pi \) (pi) is approximately 3.14159
- \( d \) is the diameter

Given:
- \( d = 58 \)

Now, substitute the value of the diameter into the formula:

\[
C = \pi \times 58 \approx 3.14159 \times 58 \approx 182.212
\]

So, the circumference of the circle is approximately **182.212** units.

Would you like more details or have any questions?

Here are 5 related questions:
1. How would you find the radius of the circle if the diameter is 58?
2. If the radius of a circle is 29, what would be its circumference?
3. How does the circumference change if the diameter is doubled?
4. What is the area of the circle with a diameter of 58?
5. How does the formula for circumference relate to that of the area of a circle?

**Tip:** Remember that the circumference is always directly proportional to the diameter, meaning if you double the diameter, the circumference also doubles.

Learn how to calculate the circumference of a circle with a diameter of 58 using the formula C = π × d. This problem involves basic geometry concepts and applies the formula for circle circumference. Suitable for students in Grades 7-9.

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