nr 18 @kx2bay hold on ill attach the photo :)

Question

anonymous · Answer

ok

anonymous · Answer

I got x=3.8 but I'm positive that its wrong I just wanted to write something down :/ @kx2bay

anonymous · Answer

the figure says 26 degrees, am confused :)

anonymous · Answer

hold on i think 26 is for the arc, let me think again ;)

anonymous · Answer

Okay :D I am so confused by this and my book isn't explaining it to my understanding :/ hold on I posted the same question and one guy answered which might help a little but I didn't get it :/

anonymous · Answer

its based on the center circle figure , we have 
m<B = 1/2(a-b) so here we have a as 100 deg and b as 26 deg so to get that x in 18, just substisture a and b values in m<B formula

anonymous · Answer

ahha so its 1/2(100 - 26 )

anonymous · Answer

37 degrees :)
thanks I learned a new formula now

anonymous · Answer

haha pleasure is all mine! Thank you so much :)

anonymous · Answer

yw :)