luas suatu balok jika Tinggi nya adalah 19 cm , lebarnya 12 cm dan panjangnya 25 cm adalah…
#PrayforBrando
Quiz
Jawaban
L = 2 × (p.l + p.t + l.t)
L = 2 × ((25 × 12) + (25 × 19) + (12 × 19))
L = 2 × (300 + 475 + 228)
L = 2 × (775 + 228)
L = 2 × 1.003
L = 2.006 cm²
Lp = 2 × [PL + PT + LT]
Lp = 2 × [25.12 + 25.19 + 12.19]
Lp = 2 × [300 + 475 + 228]
Lp = 2 × [300 + 703]
Lp = 2 × 1.003
Lp = 2.006 cm³