AB=6.2
CD=6.2+3.14=9.34
BC=CD+2.31= 9.34+2.31=11.65
AD=BC+1.2=11.65+1.2=12.85
P=6.2+9.34+11.65+12.85=40.04
а) 40,04
б)40
АВ=6,2дм, СD=6,2+3,14=9,34дм, BC=9,34+2,31=11,65дм, AD=11,65+1,2=12,85дм
Р=6,2+9,34+11,65+12,85=40,04дм=40дм
AB=6.2
CD=6.2+3.14=9.34
BC=CD+2.31= 9.34+2.31=11.65
AD=BC+1.2=11.65+1.2=12.85
P=6.2+9.34+11.65+12.85=40.04
а) 40,04
б)40
АВ=6,2дм, СD=6,2+3,14=9,34дм, BC=9,34+2,31=11,65дм, AD=11,65+1,2=12,85дм
Р=6,2+9,34+11,65+12,85=40,04дм=40дм