Question

What is the distance between `(17,13)` and `(-11,-19)`?

Answer 1

The distance between `(17,13)` and `(-11,-19)` is `42.52`

Explanation:

See image below (note that image is not accurately scaled).
By the Pythagorean Theorem the distance between the two points is
`color(white)("XXX")sqrt((13+19)^2+(11+17)^2)`

which can be evaluated (using a calculator) as
`color(white)("XXX")42.52` (approximately)