Odpowiedź :
l = 2πr
a.1
2 × π × 1 = 2π
b.2
2 × π × 2 = 4π
c.3
2 × π × 3 = 6π
d.4
2 × π × 4 = 8π
średnicy :
a.6
r=3
2 × π × 3 = 6π
b.9
r=4,5
2 × π × 4,5 = 9π
c.12
r=6
2 × π × 6 = 12π
d.18
r=9
2 × π × 9 = 18π
Pozdrawiam :)
a.1
2 × π × 1 = 2π
b.2
2 × π × 2 = 4π
c.3
2 × π × 3 = 6π
d.4
2 × π × 4 = 8π
średnicy :
a.6
r=3
2 × π × 3 = 6π
b.9
r=4,5
2 × π × 4,5 = 9π
c.12
r=6
2 × π × 6 = 12π
d.18
r=9
2 × π × 9 = 18π
Pozdrawiam :)
WZORY:
l = 2π * r
l = π * d
promieniu :
a.1
l = 2π
b.2
l = 4π
c.3
l = 6π
d.4
l = 8π
i średnicy :
a.6
l = 6π
b.9
l = 9π
c.12
l =12π
d.18
l=18π
l = 2π * r
l = π * d
promieniu :
a.1
l = 2π
b.2
l = 4π
c.3
l = 6π
d.4
l = 8π
i średnicy :
a.6
l = 6π
b.9
l = 9π
c.12
l =12π
d.18
l=18π