7 North C NOT TO SCALE 60 km 87 km 38° B A The diagram shows the straight roads between town A, town B and town C. AC = 60km, CB = 87km and B is due east of A. The bearing of C from A is 038°. (a) Show that angle ACB = 95.1°, correct to 1 decimal place. [5] (b) Without stopping, a car travels from town A to town C then to town B, before returning directly to town A. The total time taken for the journey is 3 hours 20 minutes. Calculate the average speed of the car for this journey. Give your answer in kilometres per hour. ........................................ km/h [6] © UCLES 2023 0580/42/M/J/23 [Turn over 14 3 2