## Constructions

**Chapter 11**

**Exercise 11.1**

**EX 11.1 QUESTION 1.**

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

**Solution:**

**EX 11.1 QUESTION 2.**

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

**Solution:**

**EX 11.1 QUESTION 3.**

**Construct the angles of the following measurements**

**(i) 30°**

**(ii) 22 **

**(iii) 15°**

**Solution:**

**EX 11.1 QUESTION 4.**

**Construct the following angles and verify by measuring them by a protractor**

**(i) 75°**

**(ii) 105°**

**(iii) 135°**

**Solution:**

**EX 11.1 QUESTION 5.**

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

**Solution:**