Katika hisabati, ya uhakiki wa de Gua ni ya analog tatu-dimensional ya uhakiki wa Pythagoras. A r e a A B C 2 = A r e a A B O 2 + A r e a A C O 2 + A r e a B C O 2 {\displaystyle Area_{ABC}^{2}=Area_{\color {blue}ABO}^{2}+Area_{\color {green}ACO}^{2}+Area_{\color {red}BCO}^{2}}