An exterior angle of a regular polygon can be found by dividing 360° by the number of sides (𝒏). Eg, for an eight-sided shape (octagon), divide 360° by 8 to find the size of an exterior angle ...

National 5 Applying the properties of shapes to determine an angle Angle properties of polygons Angles in a triangle add up to 180° and quadrilaterals add up to 360°. Angles can be calculated ...

Hard angles are generally found in human-made objects - think street grids in cities - and so have an association with competence, toughness and strength.

Ohio State University. "Curves or angles? Shapes in businesses affect customer response." ScienceDaily. ScienceDaily, 1 May 2018. <www.sciencedaily.com / releases / 2018 / 05 / 180501130737.htm>.