Respuesta :
The answer is 323.
Reason:
Base: 17x17 = 289
Triangles: 0.5x17 = 8.5x4 = 34
Area: 289+34 = 323
Reason:
Base: 17x17 = 289
Triangles: 0.5x17 = 8.5x4 = 34
Area: 289+34 = 323