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MN/MN+KN=NO/KL. 3KL=36
3/3+1=9/KL. KL=12 (C)
3/4=9/KL
15)Tinggi/Bayangan Tiang Bendera =
Tinggi/Bayangan pohon
5/8=x/20. x=12,5m (B)
8x=100