a^2 + b^2 = c^2
13^2 + b^2 = 19^2
169 + b^2 = 361
b^2 = 192
b = 13.856 feet
A 19
-foot
ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 13
feet from the base of the building. How high up the wall does the ladder reach?
1 answer
1 answer