Question

A ladder 20m leans against an electric pole. if the ladder makes an angle of 60 degrees with the ground find the highest of the electric pole​

Answer 1

10 metres

Explanation:

Let the height at which ladder is leaning be h

Sin30°=h/20

1/2=h/20

h=10

h=10 metres

The ladder is at 10 metres height on the wall