Jawaban:
B. 14 dm
Penjelasan dengan langkah-langkah:
V = 22/7 . r² . t
770 dm³ = 22/7 . r² . 5 dm
770 dm³ / 5 dm = 22/7 . r²
154 dm² = 22/7 .r²
154 dm² / 22/7 = r²
49 dm² = r²
7 dm = r
d = 2.r
d = 2. 7 dm
d = 14 dm
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Jawaban:
B. 14 dm
Penjelasan dengan langkah-langkah:
V = 22/7 . r² . t
770 dm³ = 22/7 . r² . 5 dm
770 dm³ / 5 dm = 22/7 . r²
154 dm² = 22/7 .r²
154 dm² / 22/7 = r²
49 dm² = r²
7 dm = r
d = 2.r
d = 2. 7 dm
d = 14 dm
Jawaban yg benar adalah B