me assume yu want triangel with side 1=68, side 2=42.5 &... angel tween the 2 sides=3.52 deg... triangel sides=68, 42.5, 41.3177... angels=21.11679 deg, 35.2 deg, 123.68321 deg... area=832.9447... make base=longest side=68 & yu get hite=24.49837... triangel top=(34.728658, 24.49837)... inside serkel radius=10.97296 & senter=(34.59115, 10.97296)