In the picture below; shows how it is illustrated: https://i.stack.imgur.com/XIRfj.jpg
I am trying to find angle b; given angles a and c. The value for angle a is 32 degrees, and for c it is 77degrees. How much is angle b?
I tried subtracting a and c; which gave me 45 and yet I ain’t sure about that coz if you look at the figure, it doesn’t really look like a 45.