To install Math::Geometry::Planar::GPC::Polygon, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Math::Geometry::Planar::GPC::Polygon
CPAN shell
perl -MCPAN -e shell
install Math::Geometry::Planar::GPC::Polygon
For more information on module installation, please visit the detailed CPAN module installation guide.