Question

What is the distance between points (6, 5) and (–12, 17)? Round to the nearest tenth.

Answer 1

21.6. Use the online calculator at http://easycalculation.com/analytical/distance.php

Answer 2

6 to -12 is 18 steps, 5 to 17 is 12 steps
pythagoras gives
\[d=\sqrt{18^2+12^2}\]

Answer 3

thank you both