Materi : Bangun Ruang Sisi Lengkung
4/3 . πr³ = V
πr³ = 80 . ¾
πr³ = 60
r³ = 60/π
r = ³√[ 60/π ]
d = 2 . ³√[ 60/π ]
V = πr²t
V = π . 4 . ³√[ 60/π ]² . 2 . ³√[ 60/π ]
V = 8 . π . ³√[ 60/π ]³
V = 8 . π . 60/π
V = 8 . 60
V = 480 cm³ { a. }
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[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
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Materi : Bangun Ruang Sisi Lengkung
Jari - Jari Bola
4/3 . πr³ = V
πr³ = 80 . ¾
πr³ = 60
r³ = 60/π
r = ³√[ 60/π ]
d = 2 . ³√[ 60/π ]
Volume Tabung
V = πr²t
V = π . 4 . ³√[ 60/π ]² . 2 . ³√[ 60/π ]
V = 8 . π . ³√[ 60/π ]³
V = 8 . π . 60/π
V = 8 . 60
V = 480 cm³ { a. }
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]