The Final Dumpling Challenge

[color=#ff0000][size=100][size=150]Note: [br]If a pyramid has its apex directly above the centroid of its base, then it is a right pyramid (直立角錐體).[/size][/size][/color]
More Dumpling Challenges:
The Dumpling Challenge I - https://www.geogebra.org/m/crkmgjs4[br]The Dumpling Challenge II - https://www.geogebra.org/m/efhkwgcn[br]The Dumpling Challenge III - https://www.geogebra.org/m/smaudstf
More Dumpling Challenges in AR (work with GeoGebra 3D Calculator App):
The Dumpling Challenge I - https://www.geogebra.org/3d/crkmgjs4[br]The Dumpling Challenge II - https://www.geogebra.org/3d/efhkwgcn[br]The Dumpling Challenge III - https://www.geogebra.org/3d/smaudstf[br]The Final Dumpling Challenge - https://www.geogebra.org/3d/atpxabmn
[b]About GeoGebra 3D with AR - https://www.geogebra.org/m/qbxbcmqw[/b]
– Patrick Chung

Information: The Final Dumpling Challenge