A 12-m pole supports a horizontal cable CD and is held by a ball and socket at A and two cables BE and BF as shown in Figure B.4. Knowing that the tension in cable CD is 14 kN and assuming that CD is parallel to the x axis (6-0), determine the tension in cables BE and BF and the reaction at A. (16 marks) 12 m 8 m B 6 m 7.5m 6 m Figure B.4. A 12-m pole supported by cables