Considering the symmetry of a rigid frame as shown below, the magnitude of the bending moment (in $\mathrm{kNm}$ ) at $\mathrm{P}$ (preferably using the moment distribution method) is
(A) 170
(B) 172
(C) 176
(D) 178
Considering the symmetry of a rigid frame as shown below, the magnitude of the bending moment (in $\mathrm{kNm}$ ) at $\mathrm{P}$ (preferably using the moment distribution method) is
(A) 170
(B) 172
(C) 176
(D) 178