Class 6 | Mathematics | Chapter 4| Basic Geometrical Ideas | Exercise 4.2
Question 1. Classify the following curves as (i) Open or (ii) Closed.
Answer 1: (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 2 :
a) Open curves
b) closed curve
Question 3. Draw any polygon and shade its interior.
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 closed.
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 5 :
(c) Polygon with two sides cannot be draw.