Question 14 of 19intermediate💡 UnderstandShort Answer2 marks

Can you guess what turn of the straw will be equal to half of a 1/6 turn? This is the same as a 1/12 turn.

Correct Answer

Step 1: A 1/6 turn = 60° (360° ÷ 6)

Step 2: Half of 60° = 30°

Step 3: 30° = 360° ÷ 12 = 1/12 turn

∴ Half of a 1/6 turn equals a 1/12 turn or 30°.

Exercise: Let Us Think | Q: 2 | (Page Page 6)
For More Understanding

Explanation

The chapter introduces the concept that 1/12 turn is half of 1/6 turn. Mathematically: 1/6 ÷ 2 = 1/12. In degrees: 60° ÷ 2 = 30°, and 30° is 1/12 of 360°.

Solution Steps

  1. Step 1: A 1/6 turn = 60° (360° ÷ 6)

  2. Step 2: Half of 60° = 30°

  3. Step 3: 30° = 360° ÷ 12 = 1/12 turn

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