Question

What is the length in units when the endpoints are (12,13) and (9,2)

Answer 1

Answer: √130 or 11.4

Explanation:

For length you will need to find the distance from 1 point to next.

Distance formula:

`d=\sqrt{(y_(2) -y_(1) )^(2) +(x_(2) -x_(1) )^(2) }`

where for point 1 and 2 (x, y); first number is x and second is y

d=
`\sqrt{(2-13)^(2) +(9-12)^(2) }` plug in

=
`\sqrt{(-11)^(2)+(-3)^(2) }` simplify

=
`√(121+9)`

=
`√(130)` the root cannot be simplified anymore

or if want decimal answer put in calc

=11.4

Answer 2

Explanation:

The length of the line between the two points is 11 units.