In NCERT Solutions for Class 9 Maths Chapter 8, how does the concept of "quadrilaterals" get defined?
Quadrilateral class 9 solutions define a quadrilateral as a two-dimensional shape that has four sides or edges and four corners or vertices. Quadrilaterals are commonly recognized by their standard shapes, such as rectangle, square, trapezoid, and kite, but they can also have irregular and undefined shapes.