jose2513
jose2513
30-09-2014
Mathematics
contestada
can anyone explain #4 on how to do it
Respuesta :
konrad509
konrad509
30-09-2014
[tex]\frac{(n-2)\cdot180}{n}=144\\ 180n-360=144n\\ 36n=360\\ n=10[/tex]
It's decagon.
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www123gul
www123gul
30-09-2014
here is the formula for find the one inside of the polygon:
(n-2).180/n (n shows how many sides does polygon have)
so now we can solve the equation==== (n-2).180/n=144
1144n=(n-2).180
144n=180n-360
360=36n
n=10
so we call it
decagon :)
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