Question 1012088
looks like you have 2 similar triangles.
all the angles from one triangle are congruent to all the angles from the other triangle.
the sides must be proportional.
therefore 6/5 = x/25, where x is the height of the house, 6 is the height of paul's eyes, 5 is the distance between paul and the mirror, and 25 is the distance between the house and the mirror.
cross mltiplyh to get 6*25 = 5*x
divide both sides of the equation by 5 to solve for x to get:
x = 6*25/5 = 6*5 = 30.