Question

a ladder is placed against a Wall of height for 4m. the foot of the ladder is 3 metre away from the the wall find the length of a ladder ​?

Answer 1

Answer:

⇒  Here AC is a ladder and AB is the height of wall.

⇒  BC=2m

⇒  Now, tan60o=BCAB

⇒  3=2AB

∴  AB=23m

∴  Height of the wall is 23m.