Answer: \(AB=a\sqrt2\)
Distance formula: \(d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\).
\[AB=\sqrt{(0-a)^2+(a-0)^2}=\sqrt{2a^2}=a\sqrt2\]
(taking \(a>0\); in general the distance is \(|a|\sqrt2\)).
1 answer
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.