What is the distance between #C(1, 2,3)# and #D(3,0,3)#?
1 Answer
Jul 29, 2018
Explanation:
#"using the 3-d version of the distance formula"#
#•color(white)(x)d=sqrt((x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2)#
#(x_1,y_1,z_1)=C(1,2,3),(x_2,y_2,z_2)=D(3,0,3)#
#d_(AC)=sqrt((3-1)^2+(0-2)^2+(3-3)^2)#
#color(white)(xxx)=sqrt(4+4+0)=sqrt8=2sqrt2#
