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Technical Drawing  Exam Papers  Ordinary  2006  Paper 1Question 4Shown are two circles R and S. which are in
contact as shown.
Also shown are two points P and Q on the circumference of the circles. Circle R rolls clockwise along the line BA until P reaches the line BA. Plot the locus of P for this movement. Circle S rolls anticlockwise along the line BC until Q reaches the line BC. Plot the locus of Q for this movement. 


