Understanding Quadrilaterals Class 8 Questions and Answers - Free PDF Download
NCERT Chapter 3 of Class 8 Maths, Understanding Quadrilaterals, explores the properties and types of four-sided figures, including squares, rectangles, parallelograms, and rhombuses. Class 8 maths chapter 3 exercise 3.1 solutions introduces polygon concepts and helps students identify and classify different types of quadrilaterals.
Table of Content
Understanding class 8 Ex 3.1 problems is crucial for solving complex problems and developing a solid understanding of geometry. Vedantu's NCERT Class 8 Maths solutions provide clear explanations and step-by-step guidance.
Important Formulas Used in Class 8 Math Exercise 3.1
Sum of interior angles = $(n - 2) \times 180$
Number of Diagonals in a Polygon = $\dfrac{n(n−3)}{2}$
1. Given here are some figures,
Classify the following figures on the basis of the following
Simple curve
Ans: From the given figures, the figures with simple curves are figure1,2,5,6,7.
Simple closed curve
Ans: From the given figures, the figures with simple closed curves are figure 1,2,5,6,7.
Polygon
Ans: From the given figures, the figures that are polygons are figures 1,2.
Convex polygon
Ans: From the given figures, the figures that are convex polygon is figure 2.
Concave polygon
Ans: From the given figures, the figures that are concave polygon is figure 1.
2. What is a regular polygon?
State and name of a regular polygon of
(i) 3 sides
(ii) 4 sides
(iii) 6 sides
Ans: When a polygon has equal sides and equal angles, then we can say that the polygon is a regular polygon.
(i ) 3 sides
Ans: We know that a polygon with three equal sides and angles is an equilateral triangle
(ii) 4 sides
Ans: We know that a polygon with four equal sides and angles is a square
(iii) 6 sides
Ans: We know that a polygon with sic equal sides and equal angles is a regular hexagon
Conclusion
NCERT of Class 8 Maths Chapter 3.1, students explore the fundamental properties and classifications of quadrilaterals. This exercise lays the groundwork for understanding different types of quadrilaterals, such as parallelograms, rectangles, squares, rhombuses, and trapeziums. Students learn to identify quadrilaterals based on their sides, angles, and other properties. By solving class 8 maths Ex 3.1 problems in maths class 8 chapter 3 exercise 3.1, students gain practical skills in recognizing and working with quadrilaterals in various geometrical contexts.
Class 8 Maths Chapter 3: Exercises Breakdown
CBSE Class 8 Maths Chapter 3 Other Study Materials
Chapter-Specific NCERT Solutions for Class 8 Maths
Given below are the chapter-wise NCERT Solutions for Class 8 Maths. Go through these chapter-wise solutions to be thoroughly familiar with the concepts.
Important Related Links for CBSE Class 8 Maths
