# NCERT Exemplar Class 9 Maths Chapter 11 Solutions: Constructions

NCERT Exemplar Class 9 Maths Solutions Chapter 11 – Constructions provide you knowledge associated with angles, triangles and how the perpendiculars are created. In this chapter of NCERT Exemplar Class 9 Maths, you will understand how to mainly draw a figure using several types of equipment such as a scale and a compass.

The chapter has around 4 exercises that cover an estimate of 15 NCERT Exemplar problems. All the questions are based on how to design a proper figure, how to construct an angle, etc. All these exercises are going to help you in understanding, learning and analyzing all the different concepts of the chapter. Learning all the steps is essential so as to properly answer all the questions in the final exam.

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## Important Topics for NCERT Exemplar Class 9 Maths Solutions Chapter 11 – Constructions

NCERT Exemplar Problems for Class 9 Maths Chapter 11 need to be solved to score well in the CBSE exams. In order to score well in this chapter, it is essential that you have the right type of equipment to solve the questions. Constructions chapter is all about making accurate figures. The equipment that is necessary to solve the NCERT Exemplar problems of class 9 chapter 11 are:

- A scale that comes with millimetres and centimetres on one side and inches on the other side.
- Set square pair with different angles like 900, 600, 300, and the other with angles 900, 450, 450.
- Divider pair with adjustments
- A pair of the compass that easily fits pencil.
- A protractor.

NCERT Class 9 Maths Exemplar Chapter 11 will teach you the below-listed things with the use of above-listed instruments:

- Constructing the bisector for an angle
- Building a perpendicular bisector of a line segment
- Constructing an angle of 60 degrees at the initial point of any ray
- Constructing a triangle if you are given a base, base angle, and some other two sides
- Construction of a triangle given its base, a base angle as well as the difference of the other two sides
- Construction of a triangle if you are given perimeter and the two base angles.
- The chapter gives you detailed information about all the figures and how to draw these figures accurately.

### Exercise Discussion of NCERT Exemplar Class 9 Maths Solutions Chapter 11 – Constructions

- Exercise 11.1 has 3 Exemplar problems in which you need to find out an option from the four about which angle cannot be constructed with the help of a ruler and a compass.
- Exercise 11.2 has around 6 questions that are true or false statements. You need to justify if a particular angle or triangle can be constructed.
- Exercise 11.3 has 8 questions in which you are required to construct angles or triangles according to the question.
- Exercise 11.4 has only 5 questions in which you need to construct angles, triangles and give proper justification to the question.
- These exercises are going to check your analytical skills if you are able to answer each question properly and in a stepwise detailed manner.

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