Hitunglah luas permukaan balok yang panjangnya 6 cm,tinggi 4 cm,dan lebarmya25 cm

2 ( pl + pt + lt )
2 ( (6x25)+(6x4)+(25x4) )
2 (150+24+100)
2 x 274
548

2×[ p× l] +. 2× (p×t) + 2× ( l×t)
2×[6×25] + 2×[ 6×4] + 2×[25×4]
2×150+2×24+2×100
300+96+200
596