NCERT solutions for class 6 Maths
chapter – 4
Basic Geometrical Ideas
Ex 4.2 Question 1.
Classify the following curves as (i) Open or (ii) Closed.
(b) Closed curve
(c) Open curve
(d) Closed curve
(e) Closed curve
Ex 4.2 Question 2.
Draw rough diagrams to illustrate the following :
(a) Open curve (b) Closed curve.
Ex 4.2 Question 3.
Draw any polygon and shade it’s interior.
Ex 4.2 Question 4.
Consider the given figure and answer the questions :
(a) Is it a curve? (b) Is it closed?
(a)Yes, it is a curve.
(b) Yes, it is a closed curve.
Ex 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.
(c) No, it is not possible to draw a polygon with two sides.