👉 In mathematics, a contrantiscion is a special case of a regular polygon which has all its internal angles equal to 180 degrees. It's named after the Latin word "contraxi", meaning "angle". The formula for calculating the number of sides in such a polygon is given by n = 360 / (p - 2), where p is the perimeter and n is the number of sides. This formula ensures that if you know the perimeter, you can
