a) P powierzchni=P scian bocznych+2*P podstawy
Pp=6cm*7cm+6cm*5cm+6cm*7cm+6cm*5cm+2*(7cm*5cm)=214cm
b)1dm=10cm
Pp=10cm*2cm+8cm*2cm+10cm*2cm+8cm*2cm+2(8cm*2cm)=104cm
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a) P powierzchni=P scian bocznych+2*P podstawy
Pp=6cm*7cm+6cm*5cm+6cm*7cm+6cm*5cm+2*(7cm*5cm)=214cm
b)1dm=10cm
Pp=10cm*2cm+8cm*2cm+10cm*2cm+8cm*2cm+2(8cm*2cm)=104cm