Question

A ladder is leaning against the side of a 10 ft building. If the base of a ladder of 3 ft away from the building how long is the ladder

Answer 1

10.44 ft

Explanation:

use pythagorean theorem
`10^(2) +3^(2) = Ladder^(2)\\109=Ladder^(2) \\Ladder=√(109) \\Ladder=10.44ft`