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5×6
30 cm (panjang)
Tinggi...?
2/3×30
2×10
20 cm
P : L = 5 : 3
P : T = 3 : 2
L = 18 m
Jawab:
P = 5/3 x 18 = 30
Tinggi balok adalah:
T = 2/3 x 30
T = 20 m
Salam........ ^^