QUESTION 21 Determine the tension in cables, and what is the dimension h? (20 points) (Show your work) A h D 2 m 2 m B 3 kN 2 m2 m (a) TCD=7 18 kN, (b) TCD=6.79 kN (c) TCD=8.16 kN (d) TCD=4.73 kN 8 kN 2 m -1.5 m- TBC=3.22 kN TBC=4.82 kN TBC=3.22 kN TBC=4.82 kN TBA=5.10 kN h=4.14 m TBA=6.90 kN, h=2.74 m TBA=7.40 kN TBA=7.40 kN h=1.54 m h=3.74 m