help needed - Simple math

[nonbitter-kai]

[quote author=jamajacha link=topic=69509.msg739603#msg739603 date=1274481138]
FBD chesthey....

akkada point deggara em pedathaamu..?

I think 2.6 Sin (theta)

I think its better taking moments...about the origin..

5* 2.6 on one side...and the same holds on the other side...5 * 2.6
if and only if he solving for balancing the problem
[/quote]

i did using moments mama, I am assuming the question is to balance the right angles corner of the triangle,