Polygons are 2D shapes with 3 or more straight sides. All quadrilaterals are polygons, but there are other types of polygons too. As you can see, some quadrilaterals share more properties than ...

The diagonals bisect at right angles. The sum of interior angles in a quadrilateral is 360°. This fact and the properties of quadrilaterals can be used to calculate angles.

CBSE Class 9 Maths extra questions and answers for Chapter 8 - Quadrilaterals are important ... must be aware of to deal with different types of questions asked in exams. All these questions ...