Question

What is the distance between `(–4, 7)` and # (–5, 13) #?

Answer 1

`sqrt37`

Explanation:

`If ,A(x_1,y_1) and B(x_2,y_2),then,d(A,B)=color(red)(AB=sqrt((x_1-x_2)^2+(y_1-y_2)^2))`
`AB=sqrt((-4+5)^2+(7-13)^2)=sqrt(1+36)=sqrt37`