Calculate reactions at points B and E $($Figure Q$12)$

Figure Q$12$

a$)R_B=+50Kn,R_E=45kN$

b$)R_B=-20\mathrm{.}25kN{R}_E=-20\mathrm{.}25kN$

c$)R_B=-55kN,R_E=-55kN$

d$)R_B=+55kN,R_E=+55kN$

e$)$ None of above