Chapter - 5- EXERCISE 5.3 - Basic Geometrical Ideas (NCERT Class 6th Maths Solution)
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
Solution/Explanation:
(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
Solution/Explanation:
2. Classify each one of the following angles as right, straight, acute, obtuse or reflex:
Solution/Explanation:
a)Acute
b)Obtuse
c)Right
d)Reflex
e)Straight
f)Acute.
b)Obtuse
c)Right
d)Reflex
e)Straight
f)Acute.
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