**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

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