1. **State the problem:** Find the circumference of a circle with diameter 88 mm to 1 decimal place.
2. **Formula:** The circumference $C$ of a circle is given by
$$C = \pi d$$
where $d$ is the diameter.
3. **Substitute the given diameter:**
$$C = \pi \times 88$$
4. **Calculate:**
$$C = 3.1416 \times 88 = 276.4608$$
5. **Round to 1 decimal place:**
$$C \approx 276.5$$
6. **Answer:** The circumference of the circle is approximately 276.5 mm.
Circumference Diameter D1F97C
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