Respuesta :
					                   One point. 
Two perpendicular lines can only cross each other in one point.
Hope this helps :)
					                
					             Two perpendicular lines can only cross each other in one point.
Hope this helps :)
					                   One point. The perpendicular lines meet at the point they form 90°. 
A fact :
Any two straight lines always have only one common point or none if they don't intersect.
					                
					             A fact :
Any two straight lines always have only one common point or none if they don't intersect.
 
					                  