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Technical Drawing Paper 2, Nov/Dec. 2013  
Questions: 1 2 3 4 Main
General Comments
Weakness/Remedies
Strength



Question 2

   (2)       An irregular pentagon PQRST has the following properties: PQ = TS = 60; QR = 50; PT = 40; angles PQR = 30O ; QPT = 100O; PTS = 120O.

  1. Construct the full size of the pentagon.

 

  1. (i)         Convert the triangle to a square of equal area.

(ii)        State the lengths of the base and height of the triangle.

  1. (i)         Convert the pentagon to triangle.

(ii)        State the lengths of the side of the square.
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Observation
 

Candidates were expected to:

  1. draw the given pentagon PQRST;
  2. draw to full size;
  3. reduce the pentagon to triangle FGS (GFR);
  4. reduce the triangle to rectangle FGHE (GREH);
  5. reduce the rectangle to square LFNM;
  6. state the length of the base and height of the triangle 50±1, 79±1 (194±1, 20±1);
  7. state the length of the side of the square (45 ± 1);
  8. draw neatly.

 

The solution is shown below:

           
            ALTERNATIVE
           

 

 

 

 

 

 

 

 
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