di bantu ya kak memakai cara
Penyelesaian:
r=20cm
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V=4/3×Πr³
V=4/3×3,14×20³
V=4/3×3,14×8.000
V=4/3×25.120
V=100.480/3
V=33.493⅓cm³
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Lp=4×Πr²
Lp=4×3,14×20²
Lp=4×3,14×400
Lp=4×1.256
Lp=5.024cm²
[tex] \boxed{ \colorbox{black}{ \sf{ \color{lightgreen}{ answered\:by\:Duone}}}} [/tex]
[answer.2.content]
