It may be useful to refer to M1 properties of angles; M1 properties of 2D shapes and M5 Polygons if necessary. The sum of the angles inside any polygon can be found by spitting the polygon into ...

When two lines meet at a point the space between is called the angle. This space is the amount of turning from one line to the other.

Maths Three Dimensional Geometry Formulas: The class 12 mathematics course is predominantly calculus based but there are other chapters that hold significant importance and marks weightage in exams.