👉 Filigreed is a concept in mathematics, specifically related to the study of the properties and functions of curves. It refers to a curve that has a characteristic shape or appearance, often resembling a zigzag pattern. This type of curve can have many different shapes depending on how it is constructed. For example, consider a circle with a central point at the center of the circle. The line connecting this point to the circumference forms an arc that is filigreed in nature. The length of this arc