Answer is 35 ft height of house
Step by step
Using Pythagorean theorem, we can find the height of the right triangle
We know a= 7, we know c= 25, we need to find b
a^2 + b^2 = c^2
7^2 + b^2 = 25^2
49 + b^2 = 625
Subtract 49 from both sides to solve b
49 - 49 + b^2 = 625 - 49
b^2 = 576
Take square root of both sides
√ b^2 = √ 576
b = 24 ft
Now according to the drawing, the ladder did not go to the top of the house, we need to add 11 ft to 24 ft = 35 ft total height