Question

A ladder is placed against a wall at a distance 10 feet. If it touches the wall at a height of 25 feet from the ground. find the length of ladder​

Answer 1

Let AC be the ladder and BC be the wall . Then,

In right △ ABC,

AC

2

=AB

2

+BC

2

AC

2

=(2.5)

2

+(6)

2

AC

2

=42.25

AC=6.5 m

Hence, the length of ladder is 6.5 m.