Good Evening An aeroplane coming in to land passes over a point 1km away from it's landing place on a level ground If it's angle of elevation is 15 degrees. calculate the height of the plane in metres​

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .