Question

3/13, 4/13, 5/13 does this add up to a right triangle?

And why or why not?

Answer 1

if a right triangle then a^2 + b^2 = c^2

(3/13)^2 + (4/13)^2 = (5/13)^2
9/169 + 16/169 = 25/169
25/169 = 25/169

answer
Yes. It is a right triangle