When the minute hand moves from 12 to 6, it makes a half turn, which equals a straight angle of 180 degrees. The hand points in the opposite direction after the turn.
Class 5 Mathematics Maths-Mela Angles as Turns
Class 5 Mathematics Maths-Mela Chapter 3 Angles as Turns question answer
If the minute hand starts at 12 and moves to 6, it covers half of the clock face. This is called a half turn or a straight angle. A straight angle measures 180°. The minute hand now points in the exact opposite direction from its starting position, forming a straight line across the clock face.
For more NCERT Solutions for Class 5 Mathematics Maths-mela Chapter 3: Angles as Turns Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions/class-5/maths/maths-mela-chapter-3/