Lean a ladder against a wall. Not too steep . . . Give it a nice angle, for safe climbing. The height is the distance between the ground and the place where it hits the wall. The slant height is the...
If we measure from the constant base point, that is, sea level or above the earth's surface, i.e, Altitude.Ex: The flight of an aircraft at 40,000 ft - altitude (above mean sea level)If we measure...