Oblicz pole powiechrzni i objętość kuli o promieniu 4 cm .
r= 4 cm
P=4 pi*r^2
P=4*pi*4^2
P=64 pi cm^2; ^ potega
v=4/3*pi*r^3
V=4/3*pi*4^3
V=256/3 pi cm^3
P=4×π×R²
P=4×3,14×2²
P=12,56×4
P=50,24 cm²
V=⁴/₃×π×R³
V=⁴/₃×3,14×2³
V=¹²,⁴⁶/₃×8
V≈33,49 cm³
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r= 4 cm
P=4 pi*r^2
P=4*pi*4^2
P=64 pi cm^2; ^ potega
v=4/3*pi*r^3
V=4/3*pi*4^3
V=256/3 pi cm^3
P=4×π×R²
P=4×3,14×2²
P=12,56×4
P=50,24 cm²
V=⁴/₃×π×R³
V=⁴/₃×3,14×2³
V=¹²,⁴⁶/₃×8
V≈33,49 cm³