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 11: Constructions
Chapter 12: Heron's Formula
Chapter 13: Surface Area and Volumes
Chapter 14: Statistics
Chapter 15: Probability
NCERT Mathematics Class 9
Chapter 11 : Constructions
Construct an angle of 90° at the initial point of a given ray and justify the construction.
Construct an angle of 45° at the initial point of a given ray and justify the construction.
Construct the angles of the following measurement:- 30°
Construct the angles of the following measurement:- `22 1/2^@`
Construct the angles of the following measurement:- 15°
Construct the 75° angles and verify by measuring it by a protractor.
Construct the 105° angles and verify by measuring it by a protractor.
Construct the 135° angles and verify by measuring it by a protractor.
Construct an equilateral triangle, given its side and justify the construction.
Construct a triangle ABC in which BC = 7 cm, ∠B = 75° and AB + AC = 13 cm.
Construct a triangle ABC in which BC = 8 cm, ∠B = 45° and AB − AC = 3.5 cm.
Construct a triangle PQR in which QR = 6 cm, ∠Q = 60° and PR − PQ = 2 cm
Construct a triangle XYZ in which ∠Y = 30°, ∠Z = 90° and XY + YZ + ZX = 11 cm.
Construct a right triangle whose base is 12 cm and sum of its hypotenuse and other side is 18 cm.
NCERT Mathematics Class 9
Textbook solutions for Class 9
NCERT solutions for Class 9 Mathematics 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 Mathematics Textbook for Class 9 solutions in a manner that help students grasp basic concepts better and faster.
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Concepts covered in Class 9 Mathematics chapter 11 Constructions are Some Constructions of Triangles, Basic Constructions, Introduction of Constructions.
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