What part of a revolution have you turned through if you stand facing
(a) east and turn clockwise to face north?
(b) south and turn clockwise to face east?
(c) west and turn clockwise to face east?
As we know that if we complete one revolution whether clockwise or anti-clockwise we will be making an angle of 360°.
(a) If we start from East and turn clockwise to face north then we will be completing the three fourth of the revolution which is of 270°.
(b) If we start from South and turn clockwise to face East then we will be completing the three fourth of the revolution which is of 270°.
(c) If we start from West and turn clockwise to face east then we will be completing the half of the revolution which is of 180°.
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