Respuesta :
					                   C - 50°. 
Each triangle is equal to 180°, so you would subtract 180 by (90+40) and you would end up with 50.
Hope it helps!!
					                
					             Each triangle is equal to 180°, so you would subtract 180 by (90+40) and you would end up with 50.
Hope it helps!!
 
			                  