oblicz pole powierzchni całkowite
a) 2cmx8cmx16cm
b)12mmx15mmx6cm
c)0,3cmx4cmx0,5dm
d)17mx17mx170dm
Daje naj !!!
P=2ab+2bc+2ca
a)2*2*8+2*8*16+2*16*2=32+256+64=352cm2
b)P=2*12*15+2*15*60+2*60*12=360+1800+1440=3600mm2
c)P=2*0,3*4+2*4*5+2*5*0,3=2,4+40+3=45,4cm2
d)P=6*17=102m2
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P=2ab+2bc+2ca
a)2*2*8+2*8*16+2*16*2=32+256+64=352cm2
b)P=2*12*15+2*15*60+2*60*12=360+1800+1440=3600mm2
c)P=2*0,3*4+2*4*5+2*5*0,3=2,4+40+3=45,4cm2
d)P=6*17=102m2