Commonly, opening a tap or unscrewing a lid or loosening a nut is done anti-clockwise; closing or tightening is clockwise. Observe actual fixtures, as designs may vary. Class 5 Mathematics Maths-Mela Angles as Turns Class 5 Mathematics Maths-Mela Chapter 3 Angles as ...
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A half turn equals two right angles. Each right angle is a quarter turn, so two quarters make a half. For example, when the clock’s minute hand moves from 12 to 6, it makes two right angles. Answer: (b) 2. Class ...
An acute angle is smaller than 90°. An obtuse angle is larger than 90° but less than 180°. A right angle is exactly 90°. All three can be drawn easily with lines from the same point. Class 5 NCERT Maths-Mela Chapter ...