Question

What is the distance between the
lower end of the ladder and the base
of the wall if the ladder 17 m high is
erected at the top end of the 15 m
high wall?
1 7.5 m
2 9 m
3 8 m
4 10.5 m
​

Answer 1

Answer:

8m

√{(17×17)-(15×15)}

√{289-225}

√64

8m