CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.5 Question 9
9. A ladder 10 m long reaches a window 8 m above the ground. Find the distance of the foot of the ladder from base of the wall.
is right angled.
Applying Pythagoras theorem, we can say that
Therefore, distance of the foot of the ladder from the base of the wall is 6 m