Basic maths framework question.help

[From: ] [author: ] [Date: 11-04-22] [Hit: ]

then reaction of Bar AB,and same for other bar.......

How to find the reaction force on B in below frameworks?

http://oi56.tinypic.com/a13f6e.jpg

If B is a level surface,
then reaction of Bar AB, at b = w cos(60)=w/2
and same for other bar.

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