Question 435597
Distance between two points													
x1	y1	x2	y2							
						
1	1	-1	11

d= 	{{{sqrt((y2-y1)^2+(x2-x1)^2)}}}																
d= 	{{{sqrt((		11	-	1	)^2	+	(	-1	-	1	)^2	)}}}
d= 	{{{sqrt((		10	)^2	+	(	-2	)^2	)}}}				
d= 	{{{sqrt((		104	)  	)}}}								
d= 	10.20