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Kelas 6 MatematikaBab Luas dan Volume
d = 14 cm
Luas permukaan benda
= luas balok + luas selimut tabung
= (2 x s x s + s x t) + (π x d x t)
= (2 x 14 x 14 + 4 x 14 x 8) + (22/7 x 14 x 8)
= 392 + 448 + 352
= 1.192 cm²