6th Class Mathematics Understanding Elementary Shapes

  • question_answer 17) What is the measure of (a) a right angle? (b) a straight angle?


    (a) The measure of a right angle \[={{90}^{o}}\] (b) The measure of a straight angle \[=2\times \] right angles \[=2\times {{90}^{o}}={{180}^{o}}\]

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