Selina Solutions are considered to be very useful when you are preparing for the ICSE Class 9 maths exams. Here, we bring to you detailed answers to the exercises of Selina Solutions for Class 9 Maths Chapter 14- Rectilinear figures. The chapter deals with different quadrilaterals, namely, Parallelogram, Rectangle, Rhombus, Square and Trapezium.Here, the PDF of the Class 9 maths Chapter 14 Selina solutions is available which can be downloaded as well as viewed online.
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Selina Solutions for Class 9 Maths Chapter 14- Rectilinear figures
The Chapter 14, Rectilinear figures, contains 3 exercises and the Solutions given here includes the answers for all the questions present in these exercises. Let us have a look at some of the topics that are being discussed in this chapter.
14.1 Introduction
14.2 Names of polygon
14.3 Regular Polygon
14.4 Quadrilaterals
14.5 Types of quadrilaterals
- Trapezium
- Parallelogram
- Rectangle
- Rhombus
- Square
14.6 Diagonal properties
- In a parallelogram, both the pairs of opposite sides are equal.
- In a parallelogram, both the pairs of opposite angles are equal
- If one pair of opposite sides of a quadrilateral are equal and parallel, it is a parallelogram.
- Each diagonal of a parallelogram bisects the parallelogram
- The diagonals of a parallelogram bisect each other.
- Rhombus is a special parallelogram whose diagonals meet at right angles.
- In a rectangle, diagonals are equal.
- In a square, diagonals are equal and meet at right angles.
Selina Solutions for Class 9 Maths Chapter 14- Rectilinear figures
In Chapter 14 of Class 9, the students are taught about Rectilinear figures or quadrilaterals. The chapter discusses different properties and theorems related to quadrilaterals like squares, parallelograms, trapezium, rectangle etc. The chapter helps the students in understanding Rectilinear figures. Study the Chapter 14 of Selina textbook to understand more about Rectilinear figures. Learn the Selina Solutions for Class 9 effectively to come out with excellent marks in the examinations.