(Total 4 marks) 19. = 6m. DE 10 m. EG = 8 m. FG = Angle = 90°. Angle 90°. DEG EFG = (a) Calculate the length of DG. Give your answer correct to 3 significant figures. ....................... m (3) (b) Calculate the size of the angle marked x°. Give your answer correct to one decimal place. ..........................° (3) (Total 6 marks) 20. = 3.2 cm AB
(Total 4 marks) 19. DE = 6m. EG = 10 m. FG = 8 m. Angle DEG = 90°. Angle EFG = 90°. (a) Calculate the length of DG. Give your answer correct to 3 significant figures. ....................... m (3) (b) Calculate the size of the angle marked x°. Give your answer correct to one decimal place. ..........................° (3) (Total 6 marks) 20. AB = 3.2 cm