Respuesta :

Answer:

Choice 3

Step-by-step explanation:

add 63 and 64 which gives you 127. Then you subtract 180 and 127. This gives you 53. 63+53+64=180. Know that the angle is 180 degrees too so you don't even have to do math.
ACF, BGH this makes a lot of sense bc i’m in alegbra 1 and ik what i’m doing! thanks