70 POINTS QUESTION ATTACHED (actually attached this time lol)

Answer:
(1/5 h)^2
Step-by-step explanation:
1/25 h^2
To make this a perfect square we need to take the square root and then square it
(sqrt(1/25 h^2))^2
we know that sqrt(ab) = sqrt(a) sqrt(b)
(sqrt(1/25) sqrt(h^2))^2
(1/5 h)^2