1. The problem asks for the circumference of a circle with a diameter of 17 cm. 2. The formula for the circumference $C$ of a circle is: $$C = \pi d$$ where $d$ is the diameter. 3. Given $d = 17$ cm, substitute into the formula: $$C = \pi \times 17$$ 4. Using $\pi \approx 3.1416$, calculate: $$C \approx 3.1416 \times 17 = 53.4072$$ 5. Round the answer to 1 decimal place: $$C \approx 53.4 \text{ cm}$$ Therefore, the circumference of the circle is approximately 53.4 cm.