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DE : AB = CE : CB
8 : 12 = 9 : (9 + BE)
2 : 3 = 9 : (9 + BE)
2 (9 + BE) = 9 x 3
18 + 2BE = 27
2BE = 27 - 18
2BE = 9
BE = 9/2
BE = 4 ½ cm
Jadi panjang BE adalah 4 ½ cm.
Jawaban: D
*semoga membantu. sukses selalu ^_^
what's the temperature outside
41/2