Question

consider a ladder leaning on the edge of a building.the top of the ladder is 54 ft from the ground.the base of the ladder is 20ft from the building.what is the slope of a ladder

Answer 1

Basically, you are using Pythagorean theorem, so a squared plus b squared equals c squared. Using the height of the ladder as a, and the base as b, you would have 54 squared plus 20 squared equals c squared.
2916+400+c squared
3316 squared + c squared
3316
/\
2 * 1658
/\
2 * 829

So it is 2 root 829 ft. squared