sebuah balok memiliki ukuran panjang 10 cm lebar 5 cm dan volume 400 cm tentukanlah tinggu dan luas permukaan
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Penjelasan dengan langkah-langkah:
L = 2 (pl) + 2 (pt) + 2 ( lt)
= 2 ( 10 x 5) + 2(10x4) + 2(5×4)
= 100 + 80 + 40
= 220 cm²
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Penjelasan dengan langkah-langkah:
p = 10 cm
l = 5 cm
v = 400 cm
v = p.l.t
400 = 10. 5. t
400 = 50. t
t = 400/50
t = 8 cm
Lp = 2(pl + pt + lt)
Lp = 2(10.5 + 10.8 + 5.8)
Lp = 2(50+80+40)
Lp = 2(170)
Lp = 340 cm²
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