Classify each one of the following angles as right, straight, acute, obtuse or reflex:
Ncert Solutions Class 6th Chapter 5 Understanding Elementary Shapes Exercise 5.3 Question 1
Match the following :
(i) Straight angle (a) Less than
th 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
and
of
a revolution.
(f) One complete revolution.
Ncert Solutions Class 6th Chapter 5 Understanding Elementary Shapes Exercise 5.2 Question 7
Where will the hour hand of a clock stop if it starts
(a) from 6 and turns through 1 right angle?
(b) from 8 and turns through 2 right angles?
(c) from 10 and turns through 3 right angles?
(d) from 7 and turns through 2 straight angles?
Ncert Solutions Class 6th Chapter 5 Understanding Elementary Shapes Exercise 5.2 Question 6
How many right angles do you make if you start facing
(a) south and turn clockwise to west?
(b) north and turn anti-clockwise to east?
(c) west and turn to west?
(d) south and turn to north?
Ncert Solutions Class 6th Chapter 5 Understanding Elementary Shapes Exercise 5.2 Question 5
Find the number of right angles turned through by the hour hand of a clock when it goes from
(a) 3 to 6 (b) 2 to 8 (c) 5 to 11 (d) 10 to 1 (e) 12 to 9 (f) 12 to 6
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