. Luas permukaan tabung pada gambar dibawah ini adalah…
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Diket:
r = 4 cm
t = 24 cm
Luas Permukaan Tabung =
Jawaban:
703,36 cm²
Penjelasan dengan langkah-langkah:
↬Untuk mencari luas permukaan tabung gunakan rumus 2πr(r + t).
↬π = 3,14
↬r = 4 cm
↬t = 24 cm
↬Lp = 2πr(r + t)
= 2 × 3,14 × 4 cm ( 4 cm + 24 cm)
= 6,28 × 4 cm × 28 cm
= 25,12 cm × 28 cm
= 703,36 cm²
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