a)49π cm=πr²
r=7
L=14π
b)121π cm ²=πr²
r=11
L=121π
c)0,01π m ²=πr²
r=0,1
L=0,2π
d)9π cm ²=πr²
r=3
L=6π
a) P= 49 pi cm kwadrat
r= 7cm
L= 2pir
L= 14picm
b)P=121pi cm kwadrat
r=11cm
L= 22pi cm
c) P=0,01pi m kwadrat
r=0,1m
L= 0,2pi m
d) P=9pi cm kwadrat
r=3 cm
L= 6pi cm
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a)49π cm=πr²
r=7
L=14π
b)121π cm ²=πr²
r=11
L=121π
c)0,01π m ²=πr²
r=0,1
L=0,2π
d)9π cm ²=πr²
r=3
L=6π
a) P= 49 pi cm kwadrat
r= 7cm
L= 2pir
L= 14picm
b)P=121pi cm kwadrat
r=11cm
L= 22pi cm
c) P=0,01pi m kwadrat
r=0,1m
L= 0,2pi m
d) P=9pi cm kwadrat
r=3 cm
L= 6pi cm