Hexagon four sides 120 degrees Equilateral Triangle Construction trick PMONK 2015 No. 27

Question 27 (PMONK 2015 – Level 6)

All the Interior angles of a Hexagon are 120 degrees and four consecutive sides have lengths of 5cm, 8 cm, 4 cm and 6 cm. Find the sum of lengths of the other two sides.

 

Question and Solution are in Images below

 

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Solution