Odpowiedź :
Wzór: Pc = 6a²
a) a = 4
Pc = ( 6 × 4 )²
Pc = 24²
Pc = 576 cm²
b) a = 7
Pc = ( 6 × 7 )²
Pc = 42²
Pc = 1 764 cm²
c) a = 2,5
Pc = ( 6 × 2,5 )²
Pc = 15²
Pc = 225 cm²
Wzór: Pc = 6a²
a) a = 4
Pc = ( 6 × 4 )²
Pc = 24²
Pc = 576 cm²
b) a = 7
Pc = ( 6 × 7 )²
Pc = 42²
Pc = 1 764 cm²
c) a = 2,5
Pc = ( 6 × 2,5 )²
Pc = 15²
Pc = 225 cm²