A right angle equals 90°. It is formed by a quarter turn, like the corner of a square or the hands of a clock when they show 3 o’clock. So, the correct answer is (b) 90°. class 5 Maths-Mela Mathematics Textbook ...
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A right angle equals 90°. It is formed by a quarter turn, like the corner of a square or the hands of a clock when they show 3 o’clock. So, the correct answer is (b) 90°. class 5 Maths-Mela Mathematics Textbook ...