Exercise 5.3

Class 6 Mathematics Chapter 5|
Understanding Elementary Shapes | Exercise 5.3

1. Match the following :

(i) Straight angle (a) Less than one-fourth of a revolution
(ii) Right angle    (b) More than half a revolution
(iii) Acute angle   (c) Half of a revolution
(iv) Obtuse angle (d) One-fourth of a revolution
(v) Reflex angle   (e) Between 1 4 and 1 2 of a revolution
                          (f) One complete revolution

Answers 1: 

(i)  : (c)

(ii) : (d)

(iii) : (a)

(iv) : (e)

(v) : (b)

2. Classify each one of the following angles as right, straight, acute, obtuse or reflex:

Answer 2 : (a) Acute angle

(b) Obtuse angle

(c) Right angle

(d) Reflex angle

(e) Straight angle

(f) Acute angle