angles

Question 45

The diagram below shows the blades of a fan labelled A,B,C and D.

(a) What fraction of a turn does Blade A make if it turns in a clockwise direction to the position of Blade D? (1 mark)
(b) How many 1/4 turns does Blade B make if it turns in a clockwise direction to the position of Blade D? (1 mark)
(c) Through how many degrees does Blade C turn in an anticlockwise direction to the position of Blade B? (1 mark)
(d) If Blade B travels 200 cm in in 1 whole turn, how many 1/2 turns will it take to make 300 cm? (2 marks)