Respuesta :
					                   Yes they do. A right angle is made up of two straight lines. If not it would be obtuse or acute
					                
					                
					             Answer:
False.
Explanation:
Right triangle cannot have two sides equal which would make them isosceles triangle, having two sides and two angles equal. They cannot be a right angle triangle then. Hence disapprove with Nathan's viewpoint.
 
			                   
					                  