Curves, Polygons and important terms related to these concepts are covered under exercise 4.2. The students can solve problems using NCERT solutions which are prepared by teachers at BYJU’S. The primary aim of providing exercise wise solutions is to make learning fun for the students. Along with the exercise wise solutions, students can also access various study materials which are available online. NCERT Solutions Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.2 PDF are given below.
Access NCERT Solutions for Class 6 Chapter 4: Basic Geometrical Ideas Exercise 4.2
1. Classify the following curves as (i) Open or (ii) Closed
(a) The given curve is an open curve
(b) The given curve is closed curve
(c) The given curve is open curve
(d) The given curve is closed curve
(e) The given curve is closed curve
2. Draw rough diagrams to illustrate the following:
(a) Open curve
(b) Closed curve
(a) The below figure is the open curve
(b) The below figure is the closed curve
3. Draw any polygon and shade its interior.
The below figure is the polygon with interior shade
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 curve
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.
(a) The below figure is the closed figure but not a polygon
(b) The below figure is an open curve made up entirely of line segments
(c) No its not possible, as the polygon having least number of sides is a triangle which has three sides.