NCERT Solutions For Class 9 Maths Chapter 11 Construction Exercise 11.1 Table of Contents Toggle Class 9 Maths Chapter 11 Exercise 11.1 SolutionsNCERT Solutions For Class 9 Maths Chapter 11, Construction (All Exercises) Class 9 Maths Chapter 11 Exercise 11.1 Solutions Q.1. Construct an angle of 90^{0} at the initial point of a given ray and justify the construction.Ans: Q.2. Construct an angle of 450 at the initial point of a given ray and justify the construction.Ans: Q.3. Construct the angles of the following measurements:(i) 30° (ii) 22 ${{\frac{1}{2}}^{0}}$ (iii) 15°Ans: Q.4. Construct the following angles and verify by measuring them by a protractor:(i) 75° (ii) 105° (iii) 135° Ans: Q. 5. Construct an equilateral triangle, given its side and justify the construction.Ans: NCERT Solutions For Class 9 Maths Chapter 11, Construction (All Exercises) Class 9 Maths Chapter 11 Class 9 Maths Chapter 11 Exercise 11.1 ← You are hereClass 9 Maths Chapter 11 Exercise 11.2