Answer:
A right triangle with a leg of 6 cm and 24 cm
Explanation:
Because when 3/12 gives use as a fraction of 1/4 (when canceled )
when we do this process for the rest of the options we find that
6/18 = 1/3 (wrong)
9/18 = 1/2 (wrong)
6/24 = 1/4 (correct)
8/24 = 1/3 (wrong)
So third option is correct