Jawaban:
b.14
Volume Tabung =
\pi \times r {}^{2} \times tπ×r
2
×t
3.080 cm³ =22/7 ×r² ×20
3.080 cm³ × 7 = (440×r²) cm²
21.560 cm³ ÷ 440 cm²
r²=49
r= kuadrat 49
r=7
diameter = 2× r =2×7 cm = 14 cm
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Jawaban:
b.14
Volume Tabung =
\pi \times r {}^{2} \times tπ×r
2
×t
3.080 cm³ =22/7 ×r² ×20
3.080 cm³ × 7 = (440×r²) cm²
21.560 cm³ ÷ 440 cm²
r²=49
r= kuadrat 49
r=7
diameter = 2× r =2×7 cm = 14 cm