Question

A 16-ft ladder leans against a building, as shown. To thenearest foot, how far is the base of the ladder from the building?8 feet22 feet4 feet11 feet

Answer 1

From Pythagorean Theorem, the formula is given as:

`\begin{gathered} h^2+x^2\text{ = }16^2 \\ x^2=16^2-h^2 \\ x=\sqrt[]{16^2-h^2} \\ x=\text{ }\sqrt[]{256-h^2} \end{gathered}`