Circles, SM-Bank 008 If the diameter of a circle is 16.2 millimetres, what is the length of its radius? (1 mark) --- 2 WORK AREA LINES (style=lined) --- Show Answers Only \(8.1\ \text{mm}\) Show Worked Solution \(\text{Radius}\) \(=\dfrac{\text{diameter}}{2}\) \(=\dfrac{16.2}{2}\) \(=8.1 \text{mm}\)