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Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2
Q.5 Find the number of right angles turned through by the hour hand of a clock when it goes from:
(a) 3 to 6
Answer: One right angle
(b) 2 to 8
Answer: Two right angles
(c) 5 to 11
Answer: Two right angles
(d) 10 to 1
Answer: One right angle
(e) 12 to 9
Answer: Three right angles
(f) 12 to 6
Answer: Two right angles
Q.6 How many right angles do you make if you start facing:
(a) South and turn clockwise to west?
Answer:
One right angle
(b) North and turn anti-clockwise to east?
Answer: Three right angles
(c) West and turn to west?
Answer: Four right angles
(d) South and turn to north?
Answer: Two right angles
Q.7 Where will the hour hand of a clock stop if it starts:
(a) From 6 and turns through 1 right angle?
Answer: At 9
(b) From 8 and turns through 2 right angles?
Answer: At 2
(c) From 10 and turns through 3 right angles?
Answer: At 7
(d) From 7 and turns through 2 straight angles?
Answer: At 7