GeometricSceneA.,B.,C.,D.,E.,F.,H.,I.,{},Line[A.,B.],GeometricAssertionPolygonC.,D.,E.,F.,"Convex",LineC.,E.,Triangle[A.,B.,H.],PlanarAngle[A.,B.,H.]PlanarAngleC.,D.,E.,PlanarAngle[B.,A.,H.]PlanarAngleD.,C.,E.,Triangle[H.,A.,I.],GeometricAssertionB.,I.,"OppositeSides",Line[A.,H.],PlanarAngle[A.,H.,I.]PlanarAngleC.,E.,F.,PlanarAngle[A.,I.,H.]PlanarAngleC.,F.,E.,GeometricAssertionPolygon[A.,B.,H.,I.],PolygonC.,D.,E.,F.,"Similar"
