MarisMaris4
MarisMaris4
10-02-2017
Mathematics
contestada
How do I find the value of x?
Respuesta :
nineex5
nineex5
10-02-2017
S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
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