Steel framing members AB, BC, and CD are joined at B and C and are braced using cables EF and EG. Knowing that E is at the midpoint of BC and that the tension in cable EF is 110 lb, determine

(a) The angle between EF and member BC,

(b) The projection on BC of the force exerted by cable EF at point E.

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16.5 ft 7.5 ft 2 ft 32 ft 24 f 225 ft