You will have to know how to draw a 60° angle, by constructing an equilateral triangle.
Once you have that, bisect the angle to get your 30° angle.
After that it is just a matter of measuring the sides with your ruler
Using a ruler and a pair of compasses only,construct a quadrilateral PQRS,given that /PQ/=8cm,PQS=30°,/PR/=9cm,/QS/=10cm and/RS/=/RQ/.Measure(a)QRS(b)/RS/
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