Circles, SM-Bank 029 Calculate the circumference of a circle with a radius of 1012 centimetres, correct to the nearest hundred. (2 marks) --- 4 WORK AREA LINES (style=lined) --- Show Answers Only \(6400\ \text{cm}\ (\text{nearest hundred})\) Show Worked Solution \(C\) \(=2\pi r\) \(=2\pi\times 1012\) \(=6358.5835\dots\) \(=6400\ \text{cm}\ (\text{nearest hundred})\)