Diketahui sebuah tabung mempunyai tinggi 9 cm dan jari-jari 7 cm, tentukan volume tabung!
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V = πr²t
V = 22/7 × 7² × 9
V = 22 × 7 × 9
V = 154 × 9
V = 1.386 cm³
Penjelasan dengan langkah-langkah:
Volume :
= phi × r² × t
= 22/7 × 7cm × 7cm × 9cm
= 22 × 1cm × 7cm × 9cm
= 22cm × 7cm × 9cm
= 154cm × 9cm
= 1.386cm³