(a) (b) Agatha and Beatrice set off from the same point at the same time. Agatha walks at a bearing of 120 at 5kmph. Beatrice walks at a bearing of 200 at a speed of 4. 8kmph. Calculate the distance between them after 30 minutes. Write your answer correct to 2 decimal places. Use your answer to part a) to calculate the bearing of Beatrice from Agatha at this time.