ad1412
ad1412 ad1412
  • 14-11-2020
  • Mathematics
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Please can someone help quickly

Please can someone help quickly class=

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rohleom
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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