plane angle
Plural
plane angles
1
the measure of the tilt between two lines or surfaces in two-dimensional space, typically given in degrees or radians
- The clock's hands form a plane angle at noon.
- A corner of a book forms a right plane angle.
- Open the laptop screen to create a wide plane angle for better visibility.
- For precise origami, create a crisp plane angle when folding the paper.
- The windmill's rotating blades sweep through a changing plane angle.