# NCERT solutions for Class 9 Maths chapter 11 - Constructions [Latest edition]

## Chapter 11: Constructions

Exercise 11.1Exercise 11.2
Exercise 11.1 [Page 191]

### NCERT solutions for Class 9 Maths Chapter 11 ConstructionsExercise 11.1 [Page 191]

Exercise 11.1 | Q 1 | Page 191

Construct an angle of 90° at the initial point of a given ray and justify the construction.

Exercise 11.1 | Q 2 | Page 191

Construct an angle of 45° at the initial point of a given ray and justify the construction.

Exercise 11.1 | Q 3.1 | Page 191

Construct the angles of the following measurement:- 30°

Exercise 11.1 | Q 3.2 | Page 191

Construct the angles of the following measurement:- 22 1/2^@

Exercise 11.1 | Q 3.3 | Page 191

Construct the angles of the following measurement:- 15°

Exercise 11.1 | Q 4.1 | Page 191

Construct the 75° angles and verify by measuring it by a protractor.

Exercise 11.1 | Q 4.2 | Page 191

Construct the 105° angles and verify by measuring it by a protractor.

Exercise 11.1 | Q 4.3 | Page 191

Construct the 135° angles and verify by measuring it by a protractor.

Exercise 11.1 | Q 5 | Page 191

Construct an equilateral triangle, given its side and justify the construction.

Exercise 11.2 [Page 195]

### NCERT solutions for Class 9 Maths Chapter 11 ConstructionsExercise 11.2 [Page 195]

Exercise 11.2 | Q 1 | Page 195

Construct a triangle ABC in which BC = 7 cm, ∠B = 75° and AB + AC = 13 cm.

Exercise 11.2 | Q 2 | Page 195

Construct a triangle ABC in which BC = 8 cm, ∠B = 45° and AB − AC = 3.5 cm.

Exercise 11.2 | Q 3 | Page 195

Construct a triangle PQR in which QR = 6 cm, ∠Q = 60° and PR − PQ = 2 cm

Exercise 11.2 | Q 4 | Page 195

Construct a triangle XYZ in which ∠Y = 30°, ∠Z = 90° and XY + YZ + ZX = 11 cm.

Exercise 11.2 | Q 5 | Page 195

Construct a right triangle whose base is 12 cm and sum of its hypotenuse and other side is 18 cm.

## Chapter 11: Constructions

Exercise 11.1Exercise 11.2

## NCERT solutions for Class 9 Maths chapter 11 - Constructions

NCERT solutions for Class 9 Maths chapter 11 (Constructions) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 9 Maths solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 9 Maths chapter 11 Constructions are Introduction of Constructions, Basic Constructions, Some Constructions of Triangles.

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