Oblicz pole całkowite i objętość czworościanu foremnego o boku 3√3 cm.
Pc = 4 * Pp
Pp= a² √3 /4
a= 3 √3 cm
Pp= (3 √3 )² × √3 / 4
Pp= 27 √3 / 4 = 6,75 √3 (cm ²)
Pc= 4 × 6,75 √3 = 27 √3 (cm ²)
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Pc = 4 * Pp
Pp= a² √3 /4
a= 3 √3 cm
Pp= (3 √3 )² × √3 / 4
Pp= 27 √3 / 4 = 6,75 √3 (cm ²)
Pc= 4 × 6,75 √3 = 27 √3 (cm ²)