Question

A ladder 30 metres long reaches a top of building . Angle between foot of the ladder and Earth is 30°, find the distance between the ladder from foot of the building

Answer 1

Answer:

Step-by-step explanation:

This question comes from the chapter “Height and distance”

Let the height at which ladder is leaning be h

Sin30°=h/20

1/2=h/20

h=10

h=10 metres

Ans-The ladder is at 10 metres height on the wall.