Question

Quadrilateral `KLMN` has vertices of `K(-4, -1), L(-2, -2), M(-2,-5),` and `N(-4,-4)`. What is the length of `MN`?

Answer 1

`MN = sqrt5`

Explanation:

The length of MN is:

`MN = sqrt((x_n-x_m)^2+(y_n+y_m)^2)`

`MN = sqrt((-4--2)^2+(-4--5)^2)`

`MN = sqrt((-2)^2+(1)^2)`

`MN=sqrt5`