The 3-dimensional analog of a plane angle is a solid angle.
From the en.wikipedia.org
Special wristwatches will do the same thing, with a readout of swing speed, plane angle and club-face direction.
From the nytimes.com
Mass, length, time, plane angle, energy and electric charge are examples of physical measures that are ratio scales.
From the en.wikipedia.org
The metric system is decimal, except where the non-SI units for time and plane angle measurement are concerned.
From the en.wikipedia.org
Quantities capable of concatenation are known as extensive quantities and include mass, time, electrical resistance and plane angle.
From the en.wikipedia.org
The angular mil is used by many military organisations to measure plane angle and so to triangulate distances, given an object's apparent and actual size.
From the en.wikipedia.org
Euclid defines a plane angle as the inclination to each other, in a plane, of two lines which meet each other, and do not lie straight with respect to each other.
From the en.wikipedia.org
The plane could approach at any angle that provided a favorable wind direction.
From the en.wikipedia.org
According to the Luces, their tenant saw the plane coming down at a strange angle.