How did they get all the angle here in this problem
Except for the angle 65° which is given it's not stated on how they got it so im having a hard time to understand the problem
- Find angle
That's a statement of your problem, not of the homework problem.Homework Statement:: How did they get all the angle here in this problem
This way, so am I !im having a hard time to understand the problem
Thanks for the clarificationHi,
So I am slightly confused by some of the lettering, but perhaps I am missing something. If you are told that [itex] \angle BON = 65 [/itex], then do you understand the working to find [itex] \angle AOC = 30 degrees [/itex] (I am assuming point C is where point N is)?
If we can accept that, then I think the easiest way to get [itex] \angle BOA [/itex] is just to consider [itex] \angle BON = \angle BOA + \angle AON [/itex]. Solving this yields the same answer of 35 degrees.
I believe they have labeled the 115 degrees by using the fact that line segments BA and ON are parallel and [itex] \angle OBA [/itex] and [itex] \angle BON [/itex] are therefore supplementary ('internal' angles of parallel lines add up to 180 degrees), so they could get 115 from [itex] \angle OBA = 180 - 115 [/itex]
Hope that answers your question. If not, let me know and I will respond appropriately.