d1 = 6 cm
d2 = 8 cm
a = 5 cm
H = 3a
Pc = ?
H = 3*5 = 15 cm
Pc = 2*Pp+4aH
Pp = 1/2*d1*d2
Pp = 1/2*6*8
Pp = 24 cm²
Pc = 2*24+4*5*15
Pc = 48+300
Pc = 348 cm²
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h=5cm*3=15cm
Pb=15cm*5cm*4=75cm²*4=300cm²
Pc=300cm²+24cm²*2=348cm²
d₂- druga przekątna
a- krawędz podstawy
H= wysokość graniastosłupa 3x dłuższa niż krawędz podstawy
d₁=6cm
d₂= 8cm
a= 5cm
H= 3*5cm= 15cm
Pc= 2*Pp + 4*Pb
Pp= 2* d₁*d₂/2 = 2* 6*8/2= 2*48/2= 2*12= 48cmcm²
Pb= 4* a * H= 4* 5* 15= 300cm²
Pc= 300+ 48= 348cm²
d1 = 6 cm
d2 = 8 cm
a = 5 cm
H = 3a
Pc = ?
H = 3*5 = 15 cm
Pc = 2*Pp+4aH
Pp = 1/2*d1*d2
Pp = 1/2*6*8
Pp = 24 cm²
Pc = 2*24+4*5*15
Pc = 48+300
Pc = 348 cm²