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06-09-2018
Mathematics

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What is the value of x?

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What is the value of x Enter your answer in the box class=

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13-09-2018

It's a hexagon.

The formula of the sum of internal angles in the polygon:

[tex]S=(n-2)\cdot180^o[/tex]

Therefore

[tex]112^o+133^o+128^o+100^o+120^o+x^o=(6-2)\cdot180^o\\\\593^o+x^o=720^o\ \ \ \ |-593^o\\\\x^o=127^o[/tex]

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