https://doi.org/10.4169/amer.math.monthly.122.10.967 https://www.jstor.org/stable/10.4169/amer.math.monthly.122.10.967 Let K be a convex figure in the plane such that ...
Learn about perimeters and how to calculate the perimeter of a simple shape with this BBC Bitesize Maths article. For students between the ages of 11 and 14. Area of squares, rectangles and compound ...