Verified Answer :

apologiabiology

the distance between any 2 points (x1,y1) and (x2,y2) is
\(D= \sqrt{(x2-x1)^2+(y2-y1)^2}\)

given
(0,a) and (a,0)
\(D= \sqrt{(a-0)^2+(0-a)^2}\)
\(D= \sqrt{(a)^2+(-a)^2}\)
\(D= \sqrt{a^2+a^2}\)
\(D= \sqrt{2a^2}\)
\(D= a\sqrt{2}\)

the disance is a√2

\(\sqrt2a^{2}\) is the correct answer
Or A

Related Questions