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Verified answer
Mapel : MatematikaBab : Bangun Ruang Sisi Lengkung (BRSL)
Tabung
d = 28 cm
r = 14 cm
t = 26 cm
Luas permukaan tabung
= 2 x π x r ( r + t )
= 2 x 22/7 x 14 cm ( 14 cm + 26 cm )
= 88 cm x 40 cm
= 3.520 cm²