https://novaprd-lb.newcastle.edu.au/vital/access/manager/Index ${session.getAttribute("locale")} 5 Heron quadrilaterals with sides in arithmetic or geometric progression https://novaprd-lb.newcastle.edu.au/vital/access/manager/Repository/uon:6511 Wed 11 Apr 2018 13:10:12 AEST ]]> On triangles with rational altitudes, angle bisectors or medians https://novaprd-lb.newcastle.edu.au/vital/access/manager/Repository/uon:38523 Wed 07 Feb 2024 14:32:53 AEDT ]]> Cyclic polygons with rational sides and area https://novaprd-lb.newcastle.edu.au/vital/access/manager/Repository/uon:4922 Sat 24 Mar 2018 07:21:12 AEDT ]]>