Luas permukaan tabung = 2πr(r + t)
silahkan dikoreksi kembali
Jawaban:
C. 2.640 cm²
Penjelasan dengan langkah-langkah:
Lp = 2 x π x r x (r+t)
Lp =
Lp= 88 cm X 30 cm
Lp = 2.640 cm²
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Luas permukaan tabung = 2πr(r + t)
silahkan dikoreksi kembali
Jawaban:
C. 2.640 cm²
Penjelasan dengan langkah-langkah:
Lp = 2 x π x r x (r+t)
Lp =
Lp =
Lp= 88 cm X 30 cm
Lp = 2.640 cm²