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4r² =16cm ² /:4
r² = 4 cm ² / √
r = 2cm
V = ⁴/₃ πr ³
V= ⁴/₃ π × 2³
V= 10 ²/₃ π
^potęga
*mnożenie
Pole kuli:
P=4πr²
16 π cm² =4πr² /:4π
4cm²=r²
r=2cm
Objęrość kuli:
V=4/3πr^3
podstawioamy obliczone
r=2cm
V=4/3 * π*(2cm)^3
V=4/3 * π *8cm^3
V=32/3 *π cm^3
V=10 i 2/3π cm^3
P=4πr²
V=4/3πr³
P=16π
4πr²=16π
r²=4cm²
r=2cm
V=4/3πr³
V=4/3π*8cm³
V=32/3πcm³