RD Sharma Solutions for Class 6 Maths Chapter 11 - Angles - Free PDF Download
Free PDF download of RD Sharma Solutions for Class 6 Maths Chapter 11 - Angles solved by Expert Mathematics Teachers on Vedantu.com. All Chapter 11 - Angles Exercise Questions with Solutions to help you to revise the complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced), NEET, Engineering and Medical entrance exams.
FAQs on RD Sharma Class 6 Maths Solutions Chapter 11 - Angles
1. According to RD Sharma class 6 Maths book chapter 11, what is an acute angle in simple terms? What is a zero angle?
An acute angle is one that is smaller than 90 degrees in measurement. For example, 20°, 45°, 60°, 85° are all acute angles.
A zero angle is an angle that measures zero degrees. A zero angle is not a special kind of angle; for example, it is not a right angle. The symbol for a zero angle is 0°, and the circle around it is called – "degrees".
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2. What are the 6 different measurement-based angles in geometry?
The six different types of angles in geometry are acute, obtuse, right, straight, reflex and full angle.
All the acute angles are less than 90 degrees.
All the obtuse angles are greater than 90 degrees and less than 180 degrees.
The right angle is equal to 90 degrees.
The straight angle is the sum of two right angles and is equal to 180 degrees.
The angle which is greater than any acute or obtuse angle and less than 360° full circle is known as a reflex angle.
The full angle is the sum of two right angles and it equals 360 degrees or 2 π radians.
3. What is the importance of 'Angles' in real life? Why do we study Angles?
Being able to identify the size, direction, and speed of angular motion aids in many fields, from navigation and astronomy to sports and machinery repair. Learning angles help in real-life measurements and is an important tool in a career like engineering.
Angles are used for measuring distances on maps, using a map grid overlay or the simple technique of chaining. Surveyors also use angles to measure distances between two points, which is done by measuring the angle formed at the intersection of two lines that run over the points.
Angle measurement is also used in animation and other art forms, where it is referred to as rotoscoping. In the movie industry, animators use rotoscoping to create realistic movements in animated objects by using photographs of live-action people and objects as reference points.