Jawaban:
jari jari alas = 7 cm
Penjelasan dengan langkah-langkah:
V = L alas x t
3.388 = L alas x 22
L alas = 3.388 ÷ 22
L alas = 154 cm²
L = π x r x r
154 = 22/7 x r²
r² = 154/22 x 7
r² = 49
r = √49
r = 7 cm
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Jawaban:
jari jari alas = 7 cm
Penjelasan dengan langkah-langkah:
Tabung
1. Cari Luas alas
V = L alas x t
3.388 = L alas x 22
L alas = 3.388 ÷ 22
L alas = 154 cm²
2. Cari jari - jarinya (Lingkaran)
L = π x r x r
154 = 22/7 x r²
r² = 154/22 x 7
r² = 49
r = √49
r = 7 cm