# NCERT Solutions for Class 9 Maths Chapter 11 Constructions

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NCERT Solutions for Class 9 Maths Chapter 11 Constructions: The chapter deals with the construction of certain angles and also triangles with different conditions give. This is the basic chapter of constructions of figures. The applications of  NCERT Solutions for Class 9 Maths Chapter 11 includes the design of plots or buildings for given conditions. For example, you are asked to give a sketch of a roof of triangular shape with a given perimeter and two base angles. The concepts of this chapter of NCERT Solutions for Class 9 Maths can be used in such cases. Now many design software is available where you can easily draw the figures. If you have to get an idea about how to draw then these NCERT Solutions for Class 9 will help. In your higher class of engineering, you are going to study subjects including drawings. This chapter of NCERT Solutions is the basics for drawings in engineering and architecture. In exam point of few, there will be a question and it will be easy to score if you have gone through all the concepts of NCERT Solutions for Class 9 Maths Chapter 11.

The main topics  of NCERT Solutions for Class 9 Maths Chapter 11 Constructions are given below:

11.1 Introduction

11.2 Basic Constructions

11.3 Some Constructions of Triangles

The topic basic constructions include the construction of bisector of a given angle, construction of perpendicular bisector of a given line segment and to construct 60 degrees at the beginning of a ray. The topic  Some Constructions of Triangles of  NCERT Solutions for Class 9 Maths Chapter 11 includes the construction of a triangle with given base, a base angle, and a sum of other two sides. To construct a triangle given its base, a base angle and the difference of the other two sides and the construction of a triangle, when its perimeter and its two base angles are given.

Study the chapter by drawing all the figures. There are multiple possibilities for constructing figures based on your idea. For exams, it is better to follow the steps given in the NCERT book.

## NCERT Solutions for Class 9 Maths - Chapter Wise

 Chapter No. Chapter Name Chapter 1 Number Systems Chapter 2 Polynomials Chapter 3 Coordinate Geometry Chapter 4 Linear Equations In Two Variables Chapter 5 Introduction to Euclid's Geometry Chapter 6 Lines And Angles Chapter 7 Triangles Chapter 8 Quadrilaterals Chapter 9 Areas of Parallelograms and Triangles Chapter 10 Circles Chapter 12 Heron’s Formula Chapter 13 Surface Area and Volumes Chapter 14 Statistics Chapter 15 Probability