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# RD Sharma solutions for Class 8 Maths chapter 15 - Understanding Shapes-I (Polygons) [Latest edition]

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#### Chapters ## Chapter 15: Understanding Shapes-I (Polygons)

Ex. 15.1

#### RD Sharma solutions for Class 8 Maths Chapter 15 Understanding Shapes-I (Polygons) Exercise 15.1 [Pages 5 - 6]

Ex. 15.1 | Q 1.1 | Page 5

Draw rough diagram to illustrate the following  Open curve .

Ex. 15.1 | Q 1.2 | Page 5

Draw rough diagram to illustrate the following  Closed curve .

Ex. 15.1 | Q 2.1 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 2.2 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 2.3 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 2.4 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 2.5 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 2.6 | Page 5

Classify the following curve as open or closed: Ex. 15.1 | Q 3 | Page 5

Draw a polygon and shade its interior. Also draw its diagonals, if any.

Ex. 15.1 | Q 4.1 | Page 6

Illustrate, if posible, one of the following with a rough diagram:

A colsed curve that is not a polygon.

Ex. 15.1 | Q 4.2 | Page 6

Illustrate, if posible, one of the following with a rough diagram:

An open curve made up entirely of line segments.

Ex. 15.1 | Q 4.3 | Page 6

Illustrate, if posible, one of the following with a rough diagram:

A polygon with two sides.

Ex. 15.1 | Q 5 | Page 6

Following are some figures: Classify each of these fugures on the basis of the following:
(i) Simple curve
(ii) Simple closed curve
(iii) Polygon
(iv) Convex polygon
(v) Concave polygon
(vi) Not a curve Ex. 15.1 | Q 6.1 | Page 6

How many diagonal does of the following have A convex quadrilateral .

Ex. 15.1 | Q 6.2 | Page 6

How many diagonal does of the following have A regular hexagon .

Ex. 15.1 | Q 6.3 | Page 6

How many diagonal does of the following have A triangle .

Ex. 15.1 | Q 7.1 | Page 6

What is a regular polygon? State the name of a regular polygon of 3 sides .

Ex. 15.1 | Q 7.2 | Page 6

What is a regular polygon? State the name of a regular polygon of  4 sides .

Ex. 15.1 | Q 7.3 | Page 6

What is a regular polygon? State the name of a regular polygon of 6 sides .

## Chapter 15: Understanding Shapes-I (Polygons)

Ex. 15.1 ## RD Sharma solutions for Class 8 Maths chapter 15 - Understanding Shapes-I (Polygons)

RD Sharma solutions for Class 8 Maths chapter 15 (Understanding Shapes-I (Polygons)) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 8 Maths solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 8 Maths chapter 15 Understanding Shapes-I (Polygons) are Regular and Irregular Polygons, Angle Sum Property, Sum of the Measures of the Exterior Angles of a Polygon, Concept of Trapezium, Concept of Kite, Elements of a Parallelogram, Diagonals of a Parallelogram, Concept of Rhombus, Concept of a Rectangle, Classification of Polygons, Concept of Diagonals, Convex and Concave Polygons, Introduction of Quadrilaterals, Concept of a Square, Concept of Parallelogram.

Using RD Sharma Class 8 solutions Understanding Shapes-I (Polygons) exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in RD Sharma Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 8 prefer RD Sharma Textbook Solutions to score more in exam.

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