skippy1523
skippy1523
01-03-2017
Mathematics
contestada
I need to be able to find the value of x
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morgeron
morgeron
01-03-2017
if a 4 sided figure has 360°...for each side we add, we add 180°.
you have a 7 sided figure (360° + 3(180°) = 900°)
adding up your angles (781) and subtract it from 900 =
x = 119°
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