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You are here: Home / NCERT Solutions / Class 6 / Maths / Chapter 5 Understanding Elementary Shapes / Exercise 5.8

Exercise 5.8

Last Updated on June 19, 2019 By Mrs Shilpi Nagpal Leave a Comment

Class 6 | Mathematics | Chapter 5| Understanding Elementary Shapes | Exercise 5.8

1. Examine whether the following are polygons. If any one among them is not, say
why?

Ex 5.8 Maths Class 6

Answer:

(a) As it is not a closed figure, therefore, it is not a polygon.

(b) It is a polygon because it is closed by line segments.

(c) It is not a polygon because it is not made by line segments.

(d) It is not a polygon because it not made only by line segments, it has curved surface also

2. Name each polygon. two more examples of each of these.

Ex 5.8 Maths Class 6 (1)

Answer: 

(a) Quadrilateral

(b) Triangle

(c) Pentagon

(d) Octagon

3. Draw a rough sketch of a regular hexagon. Connecting any three of its vertices, draw a triangle. Identify the type of the triangle you have drawn.

Answer: ABCDEF is a regular hexagon and triangle thus formed by joining AEF is an isosceles triangle.

Answer 3

4. Draw a rough sketch of a regular octagon. (Use squared paper if you wish). Draw a
rectangle by joining exactly four of the vertices of the octagon.

Answer: ABCDEFGH is a regular octagon and CDGH is a rectangle.

Answer 4

5. A diagonal is a line segment that joins any two vertices of the polygon and is not a side the polygon. Draw a rough sketch of a pentagon and draw its diagonals.

Answer: ABCDE is the required pentagon and its diagonals are AD, AC, BE and BD.

Answer

Filed Under: Chapter 5 Understanding Elementary Shapes, Class 6, Maths, NCERT Solutions

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

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