(i) Straight angle (a) less than one-fourth 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 a revolution (v) Reflex angle (e) between and of a revolution (f) One complete revolution

Column A Column B
(a)Straight angle 1 Less than one-fourth of a revolution
(b)Right angle 2 More than half a revolution
(c)Acute angle 3 Half of a revolution
(d)Obtuse angle 4 One-fourth of a revolution
(e)Reflex angle 5 Between 1/4 and 1/2 of a revolution

Answer

Column A Column B
(a)Straight angle 3 Half of a revolution
(b)Right angle 4 One-fourth of a revolution
(c)Acute angle Less than one-fourth of a revolution
(d)Obtuse angle Between 1/4 and 1/2 of a revolution
(e)Reflex angle  More than half a revolution

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