A quarter turn forms a right angle. It equals 90 degrees. The corner of a square or the hands of a clock showing 12 and 3 create a perfect right angle. So, answer is right angle.
Class 5 Mathematics Maths-Mela Chapter 3 Angles as Turns question answer
Class 5 NCERT Maths-Mela Chapter 3 Angles as Turns solution
When something turns one-fourth of a circle, it makes a quarter turn. This is known as a right angle. A right angle equals 90 degrees and looks like the English letter “L.” For example, when the minute hand of a clock moves from 12 to 3, the two hands make a right angle. The corner of a book or table also shows a right angle.
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