1. The problem statement, all variables and given/known data please find it attached as pdf. 2. Relevant equations joint method was conducted. 3. The attempt at a solution please find it attached. i spent so much time on this and i took statics like 1.5 years ago. can you help me find my mistake? i can't seem to find why is my center joints not canceling out. oh does anyone know how to use RISA? this is for a project in my experimentation class.