Question

What is the distance between `(–7, 8)` and # (-2,1) #?

Answer 1

`sqrt74`

Explanation:

The distance between points `(x1,y1) and (x2,y2)`=`sqrt((x2-x1)^2+(y2-y1)^2)`
The distance between (-7,8) and (-2,1)=`sqrt((-2+7)^2+(1-8)^2)`
=`sqrt74`