Question 1009450
let s be the side of the given isosceles right triangle, then
s^2 + s^2 = h^2
2s^2 = h^2
s^2 = h^2/ 2 
***************************************************************
Area of triangle = (1/2) * s * s
Area of triangle = (1/2) * s^2
Area of triangle = (1/2) * (h^2/2) = (h^2 / 4)