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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

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(b) 2 to 8

Answer: Two right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(c) 5 to 11

Answer: Two right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(d) 10 to 1

Answer: One right angle

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(e) 12 to 9

Answer: Three right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(f) 12 to 6

Answer: Two right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

Q.6 How many right angles do you make if you start facing:

(a) South and turn clockwise to west?

Answer:

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

One right angle

(b) North and turn anti-clockwise to east?

Answer: Three right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(c) West and turn to west?

Answer: Four right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(d) South and turn to north?

Answer: Two right angles

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

Q.7 Where will the hour hand of a clock stop if it starts:

Illustration: Mathematics Class 6 NCERT Solutions: Chapter 5 Understanding Elementary Shapes Exercise 5.2 - Part 2

(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