Tenemos.
Area total octaedro = 2√3 * a² a = arista = 5
At = 2√3 * (5cm)²
At = 2√3 * 25cm²
At = 50√3 cm²
El area del octaedro es de 50√3cm²
Area total de tetraedro = √3 * a²
At = √√3 * (5cm)²
At = 25√3cm²
El area del tetraedro es de 25√3cm²
Area total del icosaedro = 5 * √3 * a²
At = 5 * √3 * (5cm)²
At = 5 * √3 * 25cm²
At = 125√3cm²
El area del icosaedro es de 125√3cm
