The sum of the angles in a hexagon is \(4 \times 180 = 720^{\circ}\). The number of triangles is always two less than the number of sides. a) Split the shape into triangles. Since there are 5 ...

Polygons are 2D shapes that have straight sides. Regular polygons have sides and angles that are all the same size. Let's recap what a polygon is with this quick video. How would you work out the ...