About RS Aggarwal Solutions Class 9 Maths Chapter 11 Areas of Parallelograms and Triangles
In Class 9 CBSE mathematics, one of the important chapters is "Quadrilaterals." This chapter focuses on the properties, classifications, and various types of quadrilaterals. A quadrilateral is a polygon with four sides and four vertices. Check out all the solutions of RS Aggarwal for class 9 Maths and to get the best Home tuition for class 9 Maths find the tutors.
Here is an overview of the key concepts covered in the "Quadrilaterals" chapter:
Types of Quadrilaterals:
Parallelogram: A quadrilateral with opposite sides parallel.
Rectangle: A parallelogram with all angles equal to 90 degrees.
Square: A rectangle with all sides equal in length.
Rhombus: A parallelogram with all sides equal in length.
Trapezium (Trapezoid): A quadrilateral with one pair of parallel sides.
Kite: A quadrilateral with two pairs of adjacent sides equal in length.
Properties of Quadrilaterals:
Opposite sides of a parallelogram are parallel.
Opposite sides of a rectangle are equal in length.
Opposite sides of a square are equal in length and parallel.
Diagonals of a rectangle and square are equal in length and bisect each other.
Diagonals of a rhombus bisect each other at right angles.
The sum of the angles of any quadrilateral is 360 degrees.
Exercise of RS Aggarwal Class 9 Chapter 11 Areas of Parallelograms and Triangles
Chapter 11 Exercise 11
Chapter 11 Multiple Choice Questions (MCQs)