Situation $1.$

A transmission tower is held by three guy wires

attached at a pin at A and anchored by bolts B$,$

$C,$ and D$.$ The tower exerts an upward vertical

force of $1800lb$ at A$.$

Determine the tension $($lb$)$ in wire AB$.$

A$\mathrm{.}974$

C$.533$

B$.531$

D$.840$

Determine the tension $($lb$)$ in wire AC$.$

A$.974$

C$.533$

B$.531$

D$.840$

Determine the tension $($lb$)$ in wire $AD.$

A$.974$

C$.533$

B$.531$

D$.840$