Respuesta :

Well 18 would have to be 90 degrees because it’s a right angle

Than 17 is 23 degrees because 180/2 is 90 and 90-67=23
Top Problem : 10 = 115 degrees, 11 = 65 degrees, 12 = 115 degrees

Bottom Problem : 17 = 23 degrees, 18 = 90 degrees