Question 559439
Distance between two points												
x1	y1	x2	y2										
d= 	{{{sqrt((y2-y1)^2+(x2-x1)^2)}}}												
-4	-9	-11	-9										
d= 	{{{sqrt((-9-(-9))^2+(-11-(-4))^2	)}}}
d= 	{{{sqrt((0)^2+(-7)^2)}}}				
d= 	{{{sqrt((49))}}}								
d= 	7.00