NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.8

Here we have given NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.8.

  • Understanding Elementary Shapes Class 6 Ex 5.1
  • Understanding Elementary Shapes Class 6 Ex 5.2
  • Understanding Elementary Shapes Class 6 Ex 5.3
  • Understanding Elementary Shapes Class 6 Ex 5.4
  • Understanding Elementary Shapes Class 6 Ex 5.5
  • Understanding Elementary Shapes Class 6 Ex 5.6
  • Understanding Elementary Shapes Class 6 Ex 5.7
  • Understanding Elementary Shapes Class 6 Ex 5.9
BoardCBSE
TextbookNCERT
ClassClass 6
SubjectMaths
ChapterChapter 5
Chapter NameUnderstanding Elementary Shapes
Exercise Ex 5.8
Number of Questions Solved5
CategoryNCERT Solutions

NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes Ex 5.8

Ex 5.8 Class 6 Maths Question 1.
Examine whether the following are polygons. If any one among them is not, say why?
NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes 32Solution:
(a) No, because it is not closed,
(b) Yes.
(c) No, because it is not drawn by using line segments.
(d) No, because it is not closed by line segments.

Ex 5.8 Class 6 Maths Question 2.
Name each polygon:
NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes 33make two more examples of each of these.
Solution:
(a) Quadrilateral
(b) Triangle
(c) Pentagon
(d) Octagon

Two more examples of :
NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes 34

Ex 5.8 Class 6 Maths Question 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.
Solution:
NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes 35Let ABCDEF be a rough sketch of a regular hexagon.
Join AC
A ∆ ABC is obtained in which AB = BC. Thus,
∆ ABC is an isosceles triangle.

Ex 5.8 Class 6 Maths Question 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.
Solution:
Let ABCDEFGH be a rough sketch of a regular octagon. Join AC, CE, EG and GA to obtain a rectangle ACEG.
tiwari academy class 6 maths Chapter 5 Understanding Elementary Shapes 36

Ex 5.8 Class 6 Maths Question 5.
A diagonal is a line segment that joins any two vertices of the polygon and is not a side of the polygon. Draw a rough sketch of a pentagon and draw its diagonals.
Solution:
Let ABCDE be a rough sketch of a pentagon. To draw its diagonals, join AC, AD, BD, DE and CE. Then, AC, AD, BD, BE and CE are its diagonals.
NCERT Solutions for Class 6 Maths Chapter 5 Understanding Elementary Shapes 37

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