Jawaban Dan Penjelasan dengan langkah-langkah:
4. Luas Permukaan = 4 x phi x r2=
4 x 22/7 x 21 x 21 = 6 x 11 x 21 = 3696
Cm.
5.volum tabung = 1/4 x phi x d^2 x t
231 = 1/4 x 22/7 x 3,5 x 3,5 x t
231 = 269,5/28 x t
231 = 9,625 x t
t = 24 cm
Semoga Membantu
Arigatou Gozaimasu :']
" Life is not a problem to be solved but a reality to be experienced! "
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Jawaban Dan Penjelasan dengan langkah-langkah:
4. Luas Permukaan = 4 x phi x r2=
4 x 22/7 x 21 x 21 = 6 x 11 x 21 = 3696
Cm.
5.volum tabung = 1/4 x phi x d^2 x t
231 = 1/4 x 22/7 x 3,5 x 3,5 x t
231 = 269,5/28 x t
231 = 9,625 x t
t = 24 cm
Semoga Membantu
Arigatou Gozaimasu :']