Respuesta :

AREA OF A REGULAR OCTAGON FORMULA:

A = 2 (1 + √2) a²
A = 2 * (1 + √2) * 14²
A = 2 * (1 + 1.414) * 196
A = 2 * 2.414 * 196
A = 4.828 * 196
A = 946.288 cm²