Class 8 Understanding Quadrilaterals ex 3.1


NCERT Solutions for class 8 math chapter 3 ex 3.1

Keeping the examination point of view in mind the www.skmath.in team has prepared NCERT Solutions for Class 8 Maths Chapter 3 Understanding Quadrilaterals. The NCERT Solutions for chapter Understanding Quadrilaterals solutions explains the easy and simple way to solve the problems. By understanding these ways in NCERT Solutions for Class 8, students will be confident while solving such problems found in Chapter 3 Understanding Quadrilaterals.

Question 1:
Given here are some figures.
Class 8 Understanding Quadrilaterals ex 3.1

Classify each of them on the basis of the following.
(a) Simple curve- 
1, 2, 5, 6, 7
(b) Simple closed curve -
1, 2, 5, 6, 7
(c) Polygon-
1, 2
(d) Convex polygon- 2
(e) Concave polygon- 1

Question 2:

What is a regular polygon? State the name of a regular polygon of
(i) 3 sides
(ii) 4 sides
(iii) 6 sides

Answer:

A polygon with equal sides and equal angles is called a regular polygon.

(i) A regular polygon of 3 sides is called an equilateral triangle.

(ii) A regular polygon of 4 sides is called a square.

(iii) A regular polygon of 6 sides is called a regular hexagon.

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