An observer is positioned 200 m above a lake's surface. From this position, the angle of elevation to a cloud is 30° and the angle of depression t...
Question
An observer is positioned 200 m above a lake's surface. From this position, the angle of elevation to a cloud is 30° and the angle of depression to the reflection of the cloud in the lake is 60°. What is the height of the cloud above the lake's surface?