Answer
10
Work Step by Step
$\sqrt (1-7)^{2}+(2-10)^{2}$, $\sqrt (36+64)$= 10
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.