Question

A(a,0),B(0,a) what is the distance?​

Answer 1

Step-by-step explanation:

$\sqrt{(0 - a) {}^{2} + (a - 0) {}^{2} }$

$= \sqrt{a { }^{2} + a {}^{2} }$

$= \sqrt{2a {}^{2} }$

$= a \sqrt{2}$