# RS Aggarwal Class 11 Chapter 14 Solutions (Measurement of Angles)

RS Aggarwal Class 11 Maths Solutions for Chapter 14 ‘Measurement of Angles’ can help you prepare the chapter quickly. Chapter 14 ‘Measurement of Angles’ mainly focuses on topics like trigonometry, degree measure and radian measure. The chapter has only 1 exercise with 16 questions in it. There are around 10 solved examples in the chapter for your reference.

Consider the RS Aggarwal Solutions for Class 11 Maths Chapter 14 ‘Measurement of Angles’ as a self-practice material. The questions are solved step-wise so you would find it easy to understand them. The exercises in RS Aggarwal Book for class 11 are based on CBSE guidelines and are updated as per the latest exam pattern. So, practising these questions will help you prepare for your CBSE exams easily.

## Important Topics in RS Aggarwal Class 11 Maths Solutions for Chapter 14 – Measurement of Angles

**Sexagesimal System**: It may also be called the English system. In this system an angle is measured in degrees, minutes and seconds. A complete rotation describes 360 degrees. In this system there are 90 equal parts in which a right angle is divided into and such part is called a degree; a degree is then divided into 60 equal parts and each such part is called a sexagesimal minute and then a minute is further subdivided into 60 equal parts, each of which is called a sexagesimal second. In short;

- 1 right angle = 90 degrees
- 1 degree = 60 minutes

iii. 1 minute = 60 seconds

**Centesimal System:** In this system, an angle is measured in grades, seconds and minutes. In this system a right angle is divided into 100 equal parts and each such part is called a grade, again a grade is divided into 100 equal parts and each such part is called a centesimal minute, and a minute is then subdivided into 100 equal parts, each of this is called a centesimal second. In short;

- 1 right angle = 100 grades
- 1 grade = 100 minutes

iii. 1 minute = 100 seconds

**Circular System:** in this system an angle is measured in radians. Angles are usually measured in a circular system in higher mathematics. In this system, a radian is considered to be the unit for the measurement of angles.

**Radian: **A radian is defined as an angle subtended at the centre of a circle by an arc whose length is similar to the radius.

**Exercise Discussion of RS Aggarwal Class 11 Maths Solutions for Chapter 14 – Measurement of Angles**

RS Aggarwal Class 11 Maths Solutions Chapter 14 has 16 questions and only one exercise. The topics covered in these questions are positive and negative angles, measuring angles, the relationship between degree and radian.

## Benefits of RS Aggarwal Class 11 Maths Solutions for Chapter 14 – Measurement of Angles

We, at Instasolv, can help you solve all these questions within minutes. We have devised the solutions in a stepwise manner so that you can understand the methodologies easily. We have provided proper reasoning and a list of formulas used in the chapter. All our solutions are completely error-free.