CSEC Mathematics · January 2013 · Paper 1 · Question Q32

In the circle above, with centre O, the circumference is 20 cm. The length of the minor arc AB, in centimetres, is

1. (A)\frac{1}{60} \times 20
2. (B)\frac{60}{360} \times 20
3. (C)\left(\frac{360 - 60}{360}\right) \times 20
4. (D)60 \times 20

This question uses a figure or table from the paper — you'll see it when you practise.