dpeck68 dpeck68
  • 02-09-2015
  • Mathematics
contestada

The perimeter of a regular pentagon is 41.5 what is the length of all sides

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crisforp
crisforp crisforp
  • 02-09-2015
A regular pentagon has five lines of reflectional symmetry.
Let be y = the length of one side ;
The perimeter is 5 × y ;
We have 5 × y = 41.5 ;
y = 41.5 ÷ 5 ;
y = 8.3 ;
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