ABCDE's building area is please reply!!!

Réponse :

Good morning, I do'nt understand  your language but Ithink you have to calculate the perimeter of the figure, havent you?

Explications étape par étape

BD²=CD²-CB²=25²-15²=400   so BD=20

EB=AB+V(BD²-AE²)=14+V(20²-16²)=14+12=26

Perimeter=14+15+25+26+16=.......