# What is the distance between #(8,-7,-4)# and #(9,2,2)#?

##### 1 Answer

Feb 24, 2016

#### Explanation:

Note: The distance formula in 3D is

We are given ordered triplet in

#D= sqrt((-1)^2 + (-9)^2 +(-6)^2)#

#D= sqrt((1) + (81) +(36))#

#D= sqrt(118) ~= 10.86#