Basic geometrical ideas Ex-4.2
NCERT solutions for Maths Basic geometrical ideas
NCERT Solutions for Class 6 Maths Basic geometrical ideas
Class –VI
Mathematics
(Ex. 4.2)
Question 1.Classify the following curves as (i) Open or (ii) Closed.
Answer: (a) Open curve
(b) Closed curve
(c) Open curve
(d) Closed curve
(e) Closed curve
Question 2.Draw rough diagrams to illustrate the following:
(a)Open curve
(b)Closed curve
Answer:Opencurves:
Closed curves
NCERT Solutions for Class 6 Maths Exercise 4.2
Question 3.Draw any polygon and shade its interior.
Answer: Polygon ABCDEF
Question 4.Consider the given figure and answer the questions:
(a)Is it a curve?
(b)Is it closed?
Answer: (a) Yes, it is a curve.
(b) Yes, it is closed.
NCERT Solutions for Class 6 Maths Exercise 4.2
Question 5.Illustrate, if possible, each one 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.
Answer: (a) 
(b) 
(c) Polygon with two sides cannot be draw.