Diketahui diameter alas tabung 35 cm dan tingginya 40 cm. Luas selimut tabung tersebut adalah ... cm²
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Jawaban:
luas selimut tabung=2πR(R+T)
=2x22/7x17,5x(17,5x40)
=110x(700)
=77.000 cm²
maaf kalo salah