maths

express 40% of right angle into radian measure.

express two third of straight angle into radian.

express sum of angles of a quadrilateral intoradian.

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  1. a right angle is π/2 radians

    I expect that by now you know how to handle fractions, and how the angles of a quadrilateral add up.

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    posted by Steve
  2. Ok

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    posted by Anjar

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