Question 435629
Distance between two points													
x1	y1	x2	y2										
d= 	{{{sqrt((y2-y1)^2+(x2-x1)^2)}}}												
9	-1	2	-6										
d= {{{sqrt((-6-(-1))^2+(2-9)^2)}}}
d={{{sqrt((-5)^2+(-7)^2)}}}				
d= {{{sqrt((74))}}}								
d= 8.60