Respuesta :

endlesslydead
it’s 143 degrees because the straight line in 180 degrees but because of the 33 degree angle you subtract 33 from 180 to get angle b
lizmenchaca
answer: 147°

explanation: it is a straight line, this makes it 180°. you subtract 33 from 180 and end up with your answer of 147°

hope this helps :)