The sum of the angles inside any polygon can be found by splitting the polygon into triangles. The number of triangles that a polygon can be divided into is always two less than its number of sides.

PM Modi's 2025 visits to the US and France reshaped India's geopolitical, economic, and climate goals into a balanced 'Mod ...

Learn how to measure and calculate these ... The sine and cosine rules calculate lengths and angles in any triangle. Vectors - Edexcel A vector quantity has both size and direction.