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= 5
Volume = luas alas x tinggi
= (3 x 4)/2 x 10
= 60 cm³
Luas permukaan = 2 x luas alas + (keliling alas x tinggi)
= 2 x (3 x 4)/2 + (3 + 4 + 5) x 10
= 12 + 120
= 132 cm²
caranya sama dengan yang dibawah
semoga membantu