Answer:
x = 14
Explanation:
It is a 6 sided shape so 6 -2 x 180 = 720 degrees sum of exterior angles
10 x + 6x+10 +9x+4 +7x+2 +12x-8 +8x-16 = 720
52 x - 8 = 720
52x = 728
x =14
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