adrianacstroo adrianacstroo

12-03-2017
Mathematics

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Why when I sum the angles I don't get 180

Why when I sum the angles I don t get 180 class=

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narwhal3600 narwhal3600

12-03-2017

You don't have all the numbers, you don't know what X equals, you need to know what X equals in order to complete the equation

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EhHannuh EhHannuh

12-03-2017

5x+20+7x-80=180
12x-60=180
x=20
I think that's the answer

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