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NCERT Solutions for Class 5 Maths Angles and Polygons

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons,CBSE class 5 maths

NCERT Solutions for Class 5 Maths Angles and Polygons

Takshila Learning offers online classes for Class 5th Maths. A complete package created for the 5th Class math includes Math worksheets, study material, and animated videos.  A package is organized into categories, and you can move your mouse over any skill name to preview the skill. To start practicing, just click on any link. Online class 5 Math has been customized taking into account all the factors which promote the development of logical, observational, analytical and computational abilities. Observation and development of numerical skills are emphasized from the very beginning and provided CBSE sample paper for Class 5, NCERT solutions, and worksheet for Class 5. A small Topic ‘Angles and Polygons’ are discussed for your guidance.

Angle

Two rays with a common end point form an angle. Point O is the common endpoint of OA and OB. The figure we get is angle AOB.

The common endpoint is known as the vertex of the angle. And both rays are the arms (sides) of the angle. The symbol of angle is <

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Naming an Angle:An angle can be named in various ways. We can name an angle by using three letters of the English alphabet. For example, <PQR, <ABC, <XYZ, etc. the letter showing the vertex is always written in the middle. We can also name an angle by the vertex only. Example <B, <Y.

Angles can also be named by assigning a numeral to the angle. Example <1, <2, <3, etc.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Interior and Exterior of an angle

An Angle has two parts – interior and exterior.

The points lying inside the angle form the interior of the angle.

The points lying outside the angle form the exterior of the angle. In the given figure, points A and B are in the interior of <XYZ. Points R, S, and T are in the exterior of <XYZ.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons
Classification of angles

Angles are classified on the basis of their measure.

Acute Angle: An angle whose measure is more than 0 degree but less than 90 degree is called an acute angle. <ABC is an acute angle.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Right Angle: An angle whose measure is 90 degree is called a right angle.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Obtuse angle: An angle whose measure is greater than 90 degree but less than 180 degree is called an obtuse angle. < RST is an obtuse angle.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Straight angle: An angle whose measure is 180 degree is called a straight angle.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Reflex angle: An angle whose measure is greater than 180 degree but less than 360 degree is called a reflex angle. < PQR is a reflex angle.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Complete angle: An angle whose measure is 360 degree is called a complete angle. M<DEF = 360 degree.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

Polygons

A closed figure made up of 3 or more-line segments that do not cross each other is called a polygon.

Online CBSE NCERT Solutions Class 5 Maths - Angles and Polygons

When you join three non-collinear points, a triangle is formed.

  • A triangle is a polygon made up of 3-line segments.
  • A quadrilateral is a polygon made up of 4-line segments.
  • A square and a rectangle are examples of a quadrilateral.
  • A pentagon is a polygon made up of 5 lie segments.

 

 

For more information, NCERT Solutions class 5 maths, Online CBSE class 5 maths, Study material 5th class maths, login with Takshila Learning.

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CBSE & NCERT Solutions for Class 5 Maths Angles and Polygons CBSE & NCERT Solutions for Class 5 Maths Angles and Polygons CBSE & NCERT Solutions for Class 5 Maths Angles and Polygons CBSE & NCERT Solutions for Class 5 Maths Angles and PolygonsCBSE & NCERT Solutions for Class 5 Maths Angles and Polygons

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