• # question_answer10) Which direction will you face, if you start facing (a) East and makes $\frac{1}{2}$of a revolution, clockwise? (b) East and makes $1\frac{1}{2}$ of a revolution, clockwise? (c) West and makes $\frac{3}{4}$ of a revolution, anti-clockwise? (d) South and makes one full revolution? (Should we specify clockwise or anti-clockwise for this last question? Why not?) TIPS We know that, the angle between two adjacent directions is one right angle. Use this result to find required position.

(a) We have, If we starts facing East and makes 1/2 of a revolution clockwise i.e. Two right angles, we will face West. (b) We have, If we starts facing East and makes $1\frac{1}{2}$ of a revolution clockwise, i.e. One complete revolution and two right angles, we will face West. (c) We have, If we starts facing West and makes 3/4 of a revolution anti-clockwise. i.e. Three right angles, we will face North. (d) We have, If we starts facing South and makes one full revolution either clockwise or anti-clockwise, we will face South again. There is no need to specify clockwise or anti-clockwise for the last question because one full revolution will bring us back to the original position.
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