Oblicz pole pięciokąta ABCDE który wynosi :
- boki - 10cm 6cm 4cm 3cm 10cm
- wysokości - 8cm 5cm
Pc=P1+P2+P3
P1=6*8*1/2=24
P2=5*8*1/2=20
P3=3*4*1/2=6
Pc=24+20+6=50
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Pc=P1+P2+P3
P1=6*8*1/2=24
P2=5*8*1/2=20
P3=3*4*1/2=6
Pc=24+20+6=50