volume tabung dgn diameter 14cm dan T21cm
Matematika
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Pertanyaan
volume tabung dgn diameter 14cm dan T21cm
2 Jawaban
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1. Jawaban dnnyz07
r = d/2 = 14/2 = 7 cm
Lalas = pi x r x r
L.alas = 22/7 x 7 x 7
Lalas = 154 cm2
Volume = La x t
= 154 x 21
= 3.234 cm3 -
2. Jawaban Prillynabila09
√×r2×T=22:7
14:2=7 =7×21=147×22=3,234:7=462cm²
21=21
Jadi jawabannya 462cm²