Haryana State Board HBSE 6th Class Maths Solutions Chapter 4 Basic Geometrical Ideas Ex 4.2 Textbook Exercise Questions and Answers.
Haryana Board 6th Class Maths Solutions Chapter 4 Basic Geometrical Ideas Exercise 4.2
Question 1.
Classify the following curves as (i) open or (ii) closed.
Solution:
Curves (a) and (c) are open curves and (b), (d) and (e) are closed curves.
Question 2.
Draw rough diagrams to illustrate the following :
(a) Open curve (b) Closed curve.
Solution:
Question 3.
Draw any polygon and shade its terior.
Solution:
Question 4.
Consider the given Fig., and answer the questions :
(a) Is it a curve ?
(b) Is it closed. ?
(c) Is it a polygon ?
Solution:
(a) Yes, it is a curve.
(b) Yes, it is closed.
(c) Yes, it is a polygon.
Question 5.
Illustrate, if possible, each of the following with a rough diagram :
(a) A closed curve that is not a polygon.
(b) An open curve made up entirely of line segments.
(c) A polygon with two sides.
Solution:
(c) A polygon with two sides is not possible