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Verified answer
Luas permukaan= luas permukaan balok - alas tabung + selimut tabung + tutup tabung
= luas permukaan balok + selimut tabung
= 2(pl + pt + lt) + 2πrt
= 2((14)(14) + (14)(8) + (14)(8)) + (2 x 22/7 x 7 x 8)
= 2(196 + 112 + 112) + 352
= 2(420) + 352
= 840 + 352
= 1192 cm²