Question

What are the differences between plane angle and solid angle?

Answer 1

Difference between Plane Angle and Solid Angle:

• Plane Angle:

1. The angle between the intersection of two lines or planes.
2. It is two dimensional
3. Unit is the radian.

• Solid Angle:

1. The angle between the intersection of three or more planes at a common point.
2. It is three-dimensional.
3. Unit is steradian.