Circles, SM-Bank 027 Calculate the circumference of a circle with a diameter of 24.6 millimetres, correct to 0ne decimal place. (2 marks) --- 4 WORK AREA LINES (style=lined) --- Show Answers Only \(77.3\ \text{mm}\ \ (1\ \text{d.p.})\) Show Worked Solution \(C\) \(=\pi d\) \(=\pi\times 24.6\) \(=77.2831\dots\) \(=77.3\ \text{mm}\ \ (1\ \text{d.p.})\)