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To solve this, we need to calculate the circumference \( C \) of the circle using the given diameter \( d = 22 \, \text{cm} \). The formula for the circumference of a circle is:

\[
C = \pi \cdot d
\]

Here, we will use \( \pi = 3.14 \).

Substitute the given value of \( d \):

\[
C = 3.14 \times 22
\]

Now let's calculate that.

\[
C = 69.08 \, \text{cm}
\]

Thus, the circumference \( C \) is \( 69.08 \, \text{cm} \).

Would you like further details or have any other questions?

Here are 5 related questions:
1. What is the formula for finding the area of a circle given its diameter?
2. How would the circumference change if the diameter were doubled?
3. Can you find the radius from the given diameter?
4. What is the relationship between radius and circumference?
5. What would the circumference be if \( \pi \) were approximated as 3.1416 instead of 3.14?

**Tip:** Always ensure you use the correct value of \( \pi \) depending on the precision required for your calculations.

Learn how to find the circumference of a circle given a diameter of 22 cm using the formula C = π * d and pi approximation of 3.14. This problem demonstrates how to apply the formula to calculate the circumference, suitable for students in Grades 6-8.

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