(b) Calculate the value of y. Give your answer correct to 1 decimal place. y = ...........................cm (3) 22. Diagram NOT accurately drawn The diagram represents a vertical pole ACD. is horizontal ground. is a wire of length 8.5 metres. AB BC The height of the pole is 9 metres. AD For the pole to be correctly installed, the length has to DC be at least 1 metre. Show that the pole has been correctly installed. ..................................... (Total 4 marks)
(b) Calculate the value of y. Give your answer correct to 1 decimal place. y = ...........................cm (3) 22. Diagram NOT accurately drawn The diagram represents a vertical pole ACD. AB is horizontal ground. BC is a wire of length 8.5 metres. The height of the pole AD is 9 metres. For the pole to be correctly installed, the length DC has to be at least 1 metre. Show that the pole has been correctly installed. ..................................... (Total 4 marks)