ad1412
ad1412
14-11-2020
Mathematics
contestada
Please can someone help quickly
Respuesta :
rohleom
rohleom
14-11-2020
((5-2)*180)/5=SPT
SPT=108
360-(108+90)=RPT
RPT=162
((n-2)*180)/n=162
162n=(n-2)*180
.9n=n-2
.1n=2
n=20
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