grizzlygangsk8r
grizzlygangsk8r grizzlygangsk8r
  • 25-01-2017
  • Mathematics
contestada

What is the value of x in this heptagon?

What is the value of x in this heptagon class=

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Аноним Аноним
  • 25-01-2017
I think you need to add all the numbers 
hope this helps 
but i 'm not sure
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apologiabiology
apologiabiology apologiabiology
  • 25-01-2017
the sum of the angles in a heptagon is 900 degrees

so add them
113+168+129+101+x+144+122=900
777+x=900
minus 777 from both sides
x=123

x=123 degrees

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