Question

I'm very confuse how to do this angle

i have an triangle up side down lke pizza shape K.50_____50.R


Y

it look just like letter V with the line on top of it.
sorry,I don't know how to connect the line from y to k
than y to R. but, i think you get what i'm tried to say..
so how do i solve this problem ? mY=_________

Answer 1

please repost your question,, something that we can understand. or just describe the figure.